Best humidifier filters for a healthy home
A humidifier filter is a crucial but often overlooked component of any humidifier.
While most humidifiers will come with a filter, it’s important to know that not all filters are created equal.
The type of filter you choose will have a direct impact on the quality of the humidifier’s output, as well as the lifespan of the humidifier itself.
With so many different types and brands of humidifier filters on the market, it can be tough to know which one is right for you.
To help you make the best decision for your needs, we’ve put together this comprehensive guide to the best humidifier filters available.
Types of Filters
Activated Carbon Filters
HEPA Filters
Ultrasonic Filters
Ionic Filters
Choosing the Right Filter
Replacement Schedule
Size
Material
Ease of Replacement
Price
Final Thoughts
Best Humidifier Filters
IMAGE | NAME | SUMMARY | PRICE |
---|---|---|---|
Best Air Filter
|
Air Filter Factory Replacement For ReliOn RCM-832 |
brand Air Filter Factory |
Check on Amazon |
Best Filter Replacement
|
Antoble 4 Pack WF813 Humidifier Filter Replacement |
brand ANTOBLE |
Check on Amazon |
Best for HoMedics Ultrasonic Humidifiers
|
isinlive Demineralization Cartridge 12 Pack |
brand isinlive |
Check on Amazon |
Best Wicking Replacement Filter
|
ProTec Humidifier Filter Replacement |
brand PUR |
Check on Amazon |
Best Replacement Filter
|
AprilAire Replacement Humidifier Filter |
brand Aprilaire |
Check on Amazon |
Best Replacement Filter
|
Honeywell Replacement Wicking Filter A |
brand Honeywell |
Check on Amazon |
Best Replacement Filters for Honeywell Humidifiers
|
Durabasics 4 Pack of Premium Humidifier Filters |
brand Durabasics |
Check on Amazon |
Best Air Filter
|
PUREBURG Wick Filters for Kaz Vicks WF2 Vicks V3100 |
brand PUREBURG |
Check on Amazon |
Best Replacement Air Filter
|
Air Filter Factory Replacement for Essick Air |
brand Air Filter Factory |
Check on Amazon |
Best Replacement Filter
|
AIRCARE HDC12 Replacement Wicking Humidifier Filter |
brand AIRCARE |
Check on Amazon |
1 Air Filter Factory Replacement For ReliOn RCM-832 – Best Air Filter

brand:Air Filter Factory
color:White
- These are high quality replacement wick filters for the ReliOn RCM-832 humidifier. They are made in the USA from high quality paper pulp and are reinforced with a layer of high grade aluminum to extend the life of the filter. These filters are for use with filtered water only, hard water can lead to a shorter lifespan of your humidifier filter. Weather is also a factor in the life span of your filter. Running your furnace higher than 72 degrees F can make your humidifier work harder to get moisture in the air which can lead to a dry wick. Discoloration of humidifier wick filters is normal and will vary depending on water quality. Make sure filter is flipped over after each tank fill. This package contains 2 filters for easy and convenient replacement.
What We Find Good
- -Made in the USA
-High quality paper pulp
-Reinforced with a layer of high grade aluminum
-Extends the life of the filter
-Fits ReliOn RCM-832 humidifiers
What We May Not Find Good
- -None noted
2 Antoble 4 Pack WF813 Humidifier Filter Replacement – Best Filter Replacement

brand:ANTOBLE
color:4 Pack
size:One Size
- ANTOBLE 4 Pack WF813 Humidifier Filter Replacement for ReliOn RCM-832 RCM-832N, ProCare PCWF813 PCWF-813 PCCM-840 PCCM-832N, Equate EQWF813 EQ 2119-UL Cool Mist Humidifier Filters keep your humidifier clean and in good working condition. The filter should be replaced every 2-3 months for optimum performance.
- These replacement filters are compatible with Kaz WF813; ReliOn WF813 RCM-832 RCM-832N; ProCare WF813 RWF13 PCWF813 PCWF-813 PCCM-832N PCCM-840; Equate EQWF813 EQ-2119-UL; Sesame Street SH100 & SH200; also compatible with Duracraft / Robitussin humidifier models DH-830, DH-832, AC-813, ACR-832, D13-C, HC-832, etc.
- Our WF813 humidifier replacement filter size is about 5.6″ x 3.75″ x 1.62″. Please note, there may be slight error in size due to manual measurement. If your humidifier is not one of the models mentioned in the title and pictures, please make sure the size is right before purchasing.
- The filter is easy to install, simply take off your old filter and put this brand new one in its place. For best results, we advise you to fill the humidifier tank with distilled water instead of hard water.
- Our 4-pack humidifier wicking filters can fully meet your replacement needs, eliminating the trouble of finding a replacement filter, so that you can get a perfect and comfortable experience at the right price.
What We Find Good
- High quality materials
- Easy to install
- Size details
- Warm prompt
What We May Not Find Good
- Not compatible with all humidifiers
3 isinlive Demineralization Cartridge 12 Pack — Best for HoMedics Ultrasonic Humidifiers

brand:isinlive
color:Blue
- The isinlive Demineralization Cartridges are designed to fit all HoMedics 1-gallon or larger ultrasonic humidifiers. The filters help to prevent the build-up of white dust caused by minerals and chemical in hard water. These demineralization filters can help extend the life of your humidifier motor and tank by purifying the water inside and keeping it clean. The package includes 12 blue ultrasonic humidifier demineralization cartridges.
What We Find Good
- Compatible with many humidifiers
- Reduces white-dust
- Easy to install
- Pack of 12 cartridges
- Product assurance
What We May Not Find Good
4 ProTec Humidifier Filter Replacement – Best Wicking Replacement Filter

brand:PUR
color:White
size:3 Count (Pack of 1)
- These ProTec replacement filters are designed for use with Vicks cool mist humidifiers and other models. The wicking filter helps remove minerals and pollutants from water for a better humidifier experience. The package includes three filters.
What We Find Good
- Replaces wicking filter in humidifiers
- Improves air quality
- Can help with breathing comfort
What We May Not Find Good
- Only works with certain models
- May need to be replaced often
5 AprilAire Replacement Humidifier Filter – Best Replacement Filter

brand:Aprilaire
color:White
size:Value Pack (2)
- The AprilAire 35 Water Panel is a replacement water panel for the AprilAire Whole House Humidifier Models 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768. This water panel is made of aluminum mesh with a porous, ceramic-type slip coating that absorbs water and maintains the proper level of hydration for the evaporation process. The AprilAire 35 Water Panel dimensions are 10″ W x 13″ H x 1.75″ D. For optimal performance, replace your genuine AprilAire Whole-Home Humidifier Water Panel twice during the season. This value 2-pack offers a convenient 2-year supply. AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions. Easy installation with illustrated instructions included.
What We Find Good
- Easy to install
- 2-year supply
- Reduces respiratory infections
- Made in the USA
What We May Not Find Good
6 Honeywell Replacement Wicking Filter A – Best Replacement Filter

brand:Honeywell
color:White
size:3 pack
- The Honeywell HAC-504 is a replacement wicking filter that is compatible with several of the brand’s humidifiers. This filter is treated with Protec antimicrobial that helps control mold, mildew and bacteria growth on the filter. It also features a blue pre-filter layer that captures large particles. This filter should be replaced every 2 to 4 weeks or as needed.
- The Honeywell HAC-504-U replacement wicking filter A is compatible with the following humidifier models: HCM-350, HEV355, HCM-710 and HCM-315/HEV312.
- The Honeywell HAC-504-U features a Protec antimicrobial treatment that helps control mold, mildew and bacteria growth on the filter. This filter also has a blue pre-filter layer that captures large particles. This filter should be replaced every 2 to 4 weeks or as needed.
- The Honeywell HAC-504-N is a replacement wicking filter that is compatible with the HCM-6009 and HCM-6011i humidifiers. This filter should be replaced every 2 to 4 weeks or as needed.
What We Find Good
- Wicks away minerals to help reduce white dust
- Inhibits growth of particles on the filter
- Pre-filter layer helps capture large particles
- Compatible with HCM-350, HEV355, HCM-710, and HCM-315/HEV312 models
What We May Not Find Good
7 Durabasics 4 Pack of Premium Humidifier Filters – Best Replacement Filters for Honeywell Humidifiers

brand:Durabasics
- Durabasics 4 Pack of Premium Humidifier Filters Compatible with Honeywell Humidifier Filter HAC-504, HAC-504AW & Honeywell Filter A | Replacement for Honeywell Filter HCM 350 & Cool Mist Humidifiers
- Our replacements for Honeywell replacement Filter A and Honeywell replacement filter HAC-504 are constructed with rigid absorbent paper to improve our filter’s structure once wet and reduce sagging.
- Fits HCM350W, HCM-350, HCM350, HCM-350B, HCM350B, HCM-350W, HCM-350B-CST, HCM-300, HCM300, HCM-300T, HCM300T, HCM-305T, HCM305T, HCM-310T, HCM310T, HCM-315T, HCM315T, HCM305BCST, HCM-450B-CST, HCM450BCST, HCM-500, HCM500, HCM-530, HCM530, HCM-535, HCM353, HCM-535-20, HCM53520, HCM-540, HCM540, HCM-550, HCM550, HCM-550-19, HCM55019, HCM-551, HCM551, HCM-560, HCM560, HCM-600, HCM600, HCM-630, HCM630, HCM-631, HCM631
- Tips For Daily Use – For best results, flip your compatible Honeywell humidifier filter HAC 504 replacement daily and only fill humidifier tank with distilled water. Hard water degrades ALL compatible Honeywell humidifier filters and yellows them prematurely.
- Soak Before Replacing Your Compatible Honeywell Humidifier Filters Replacement Filters – Soak your Durabasics wick for Honeywell HCM350W filter in cool water before replacing to ensure uninterrupted moisture output.
What We Find Good
- – 4 Pack of filters
– Rigid construction to reduce sagging
– Compatible with a variety of Honeywell humidifiers
– Tips for daily use included
What We May Not Find Good
- – Must soak the filter before use
8 PUREBURG Wick Filters for Kaz Vicks WF2 Vicks V3100 – Best Air Filter

brand:PUREBURG
- Pureburg 4-pack Wick Filters are compatible with Vicks V3500N, V3100, V3700, V3800, 3900 series, Relion WA-8D, Honeywell HCM-630, HCM-350 series, Enviracaire ECM-500, Kaz 3020, Sunbeam 1118 series, and many other models.
- These Wick filters are robustly built with premium material to trap water impurities and dissolved solids before they become airborne pollutants.
- It is recommended to replace your filter every 30~60 days to keep your machine fresh and clean.
What We Find Good
- Built with premium material
- Traps water impurities
- Compatible with many models
- Easy to replace
What We May Not Find Good
- May not fit all models equally well
9 Air Filter Factory Replacement for Essick Air — Best Replacement Air Filter

brand:Air Filter Factory
- The Air Filter Factory Replacement for Essick Air MA1201, MA-1201 Humidifier Wick Filter is a high quality replacement filter for your Essick Air Humidifier. The filter is made from a high quality paper pulp for maximum wicking and moisture output. The filter is also reinforced with a layer of high grade aluminum to extend the life of the filter. The Air Filter Factory Replacement for Essick Air MA1201, MA-1201 Humidifier Wick Filter is also GUARANTEED to fit your Essick Air Humidifier.
What We Find Good
- Made in the USA
- High quality paper pulp
- Aluminum reinforcement
- Guaranteed to fit
- Package contains one filter
What We May Not Find Good
- Can discolor with hard water
- May need to be replaced more frequently in dry climates
10 AIRCARE HDC12 Replacement Wicking Humidifier Filter – Best Replacement Filter

brand:AIRCARE
- These AIRCARE HDC12 Replacement Wicking Humidifier Filters (3-Pack) are designed to help keep your humidifier running at peak performance. They are made with a high quality paper that will wick away moisture and help to prevent the growth of mold and mildew. These filters will also help to reduce the amount of static electricity in your home. These filters should be replaced every 3 to 6 months for optimal performance.
What We Find Good
- -ships quickly
-easy to install
-lasts a long time
-effective
What We May Not Find Good
- -a bit pricey
-not as many features as some other brands
humidifier filters Buying Guide
8 Things to Consider When Buying a Humidifier Filter
Your humidifier filter is an important part of your humidifier. If it’s not working properly, your humidifier may not work well either. Here are eight things you should consider when buying a humidifier filter:
- The type of humidifier you have.
Not all humidifiers use the same type of filters. Make sure you buy the correct type of filter for your humidifier.
- The size of the filter.
The size of the filter will depend on the size of your humidifier. Make sure you get a filter that is the right size for your machine.
- The brand and model of your humidifier.
Not all filters are made by all brands. Make sure you get a filter that is made specifically for your brand and model of humidifier. If you don’t know the brand or model number, check the owner’s manual or contact the manufacturer.
- The type of material the filter is made from.
There are a variety of materials used to make Humidifer filters, including paper, foam, and plastic mesh. Some materials are better at trapping impurities than others. Choose a filter made from a material that will best suit your needs.
- The level of filtration needed.
Not all Humidifer filters offer the same level of filtration. Some filters only remove large particles while others trap even smaller particles and allergens. Choose a filter that meets your specific needs.
- The price point you’re willing to pay.
Humidifer filters come in a range of prices, depending on the quality and features of the filter. Choose one that fits within your budget but still offers good quality filtration performance..
The 5 Types of Humidifier Filters You’ll Encounter
There are a few things you need to take into account when choosing a humidifier filter: the size of the room, the type of humidifier, and the type of filter.
The size of the room will determine which type of filter you need. The most common filter sizes are 4×6 inches and 5×8 inches. If your room is smaller than 150 square feet, a 4×6 inch filter should be sufficient. If your room is larger than 150 square feet, you’ll need a 5×8 inch filter.
The type of humidifier will also determine which type of filter you need. Console humidifiers use water from a tank, while portable humidifiers use water from a tap. Console humidifiers require a bigger filter since they use more water. Portable humidifiers typically use filters that are around 4×6 inches.
The type of filter you need will depend on the type of Humidifier you have
The following are five types of Humidifier filters:
1) Washable Ceramic Filters
2) Activated Carbon Filters
3) Bone Charcoal Filters
4) Wicking Filters
5) Evaporative Filters
6 Factors to Consider When Choosing a Humidifier Filter
It is easy to forget about the importance of humidifier filters until it’s time to change them. Unfortunately, not all humidifier filters are created equal. If you don’t replace your filter often enough, you could be harming your health or even your humidifier unit. So, what should you look for when choosing a humidifier filter?
The six factors to consider include:
-Filter size
-Filter type
-Filter material
-Benefits of the filter
-Pitfalls of the filter
-Price
-
Filter size – when purchasing a new humidifier filter, you need to make sure that it is the correct size for your humidifier unit. If the filter is too small, it won’t be able to do its job properly; if the filter is too large, it could damage your humidifier. To find the right size, check the dimensions of your current filter and then compare them to the dimensions of the replacement filter.
-
Filter type – there are three main types of humidifier filters: mechanical filters, activated carbon filters, and ultrasonic filters. Each type has its own benefits and pitfalls, so you need to choose one that will work best for your needs. For example, if you have allergies or asthma, an activated carbon filter will remove pollen and other particles from the air. However, mechanical filters can be difficult to clean and they may not work as well in areas with high levels of humidity.
-
Filter material – not all materials are created equally when it comes to humidifier filters. Some materials, such as foam and paper, can easily become moldy and must be replaced often; other materials, such as stainless steel or plastic, are less likely to grow mold but may not be as effective at removing pollutants from the air. Consider your needs and preferences when choosing a material for your filter.
-
Benefits of the filter – in addition to removing pollutants from the air, some humidifier filters also have other benefits. For example, some activated carbon filters can also deodorize the air or reduce static electricity. If you are looking for a specific benefit from your Humidifier Filters Toronto replacement filter, make sure to choose one that offers it.
-
Pitfalls of the filter – while most Humidifier Filters Canada replacements offer benefits, they also have their downsides. For example, some mechanical filters can be difficult to clean and may need to be replaced often; others may release moisture into the room slowly over time rather than all at once like an ultrasonic filter would. Make sure you are aware of any potential pitfalls before making your purchase decision.
How to Choose the Right Humidifier Filter for Your Needs
A humidifier can do wonders for your home, especially during the winter months when the air is dry. Not only does it make the air more comfortable to breathe, but it can also help to prevent colds and other respiratory infections. One of the most important aspects of using a humidifier is making sure you are using the right filter for your needs.
There are a variety of different types of humidifier filters available on the market, so it can be difficult to know which one is right for you. The most important factors to consider when choosing a filter are the size of your humidifier, the type of water you are using, and the level of humidity you are hoping to achieve.
If you have a small or medium-sized humidifier, a fiberglass or paper filter will work well. If you are using hard water, however, you will need a ceramic filter. If you are looking to achieve a high level of humidity, an evaporative or ultrasonic filter may be best for you.
No matter what type of humidifier you have or what type of filter you choose, it is important to change your filter regularly in order to ensure optimal performance from your humidifier. Follow the manufacturer’s recommendations for how often to change your filter for best results.
A Comprehensive Guide to Buying Humidifier Filters
There are many different humidifier filters on the market. What filter you need for your humidifier will depend on the type of humidifier you have.
The most common humidifier filter is the Wick Filter. This filter is a simple, disposable filter that attaches to the water reservoir. The Wick Filter catches particles and minerals from the water and prevents them from entering into the air.
If you have a Warm Mist Humidifier, you will need either a Wick Filter or an Ultrasonic Filter. The Ultrasonic Filter is a more expensive option, but it is more effective at removing minerals and particles from the water.
If you have a Cool Mist Humidifier, you will need either a Wick Filter or an Evaporative Filter. The Evaporative Filter is a more expensive option, but it is more effective at removing minerals and particles from the water.
It is important to replace your humidifier filters regularly in order to maintain optimal humidity levels and keep your air clean. Most filters should be replaced every month or two, depending on how often you use your humidifier.
Frequently Asked Questions(FAQ)
How do I know when to replace my humidifier filter?
There are a few different types of humidifier filters that are available on the market. The most common type is a fiberglass filter. This filter is effective at trapping dust and other particles from the air. However, it does not treat water well, so it is not recommended for use in humidifiers that have a tank.
Another common type of humidifier filter is the activated carbon filter. This type of filter is effective at removing unpleasant smells and chemicals from the air. It also helps to prevent the growth of mold and bacteria in the water tank.
A third type of humidifier filter is the electronic filter. This type of filter uses a fan to blow air through it, which helps to remove large particles from the air. It also has an activated carbon section to remove bad smells and chemicals from the air.
How often should I replace my humidifier filter?
It’s important to know when to replace your humidifier filter, depending on the type of humidifier you have. If you have a console humidifier, check the instructions that came with your humidifier. Most console humidifiers have a water panel that should be replaced every 6 months. Other types of humidifiers, such as impeller or ultrasonic humidifiers, usually require a filter to be replaced every 6-8 months.
Some filters are reusable and just need to be cleaned periodically; others must be replaced every time the water is changed in the humidifier. If you’re not sure when to replace your filter, check the manufacturer’s instructions or contact the company for more information.
To prolong the life of your humidifier filter, it’s important to keep it clean and free of dust and dirt. You can do this by vacuuming it regularly or using a damp cloth to wipe it down.
My humidifier filter is dirty, what should I do?
If you’re using a humidifier to add moisture to the air in your home, then you know that it’s important to replace the filter regularly. But how often should you actually replace the filter?
Most humidifier filters will need to be replaced every month or two. However, this can vary depending on the type of filter and the size of the humidifier. So it’s important to check your filter’s specifications before you replace it.
If you don’t replace your filter regularly, it can become clogged and ineffective. This can lead to bacteria growth and other health concerns. So it’s important to stay on top of changing your filter, especially during the winter when cold and flu season is at its peak.
Replacing your humidifier filter on a regular basis is an important part of keeping your home healthy and comfortable. Make sure to schedule regular filter replacements into your routine so that you don’t have to worry about it later.
Can I reuse my humidifier filter?
Changing your humidifier filter is a critical part of humidifier maintenance. If you don’t change your filter, it can become clogged with minerals and bacteria, which can eventually lead to the growth of mold.
Fortunately, changing your humidifier filter is a quick and easy process. All you need to do is locate the filter in your humidifier, remove it, and replace it with a new one.
Be sure to purchase a replacement filter that is compatible with your humidifier model. Also, be sure to follow the manufacturer’s instructions for changing your humidifier filter.
If you have any questions or concerns about changing your humidifier filter, don’t hesitate to contact the manufacturer or a local technician.
What types of humidifier filters are available?
There can be some confusion about when it is safe to reuse a humidifier filter. It is possible to use the same filter for multiple seasons if it is properly cleaned and stored.
To clean the filter, first remove it from the humidifier. Thoroughly rinse off any dust or debris with running water. Soak the filter in a solution of bleach and water for about 15 minutes. Rinse off the bleach solution and allow the filter to air dry completely before putting it back in the humidifier.
Storing the filter between uses is also important for keeping it clean and in good condition. Store the filter in a sealed bag or container away from direct sunlight or heat sources.