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Free U.S. Shipping

Free U.S. shipping on every order. Ships the same business day when ordered by 12pm ET. Arrives in 2–5 business days. Details here.

Fit Guarantee

Fit guaranteed. If it doesn't fit the model we list, we'll send you a prepaid return label within 30 days of delivery. Details here.

Easy 30-Day Returns

Changed your mind? Return it unused, in its original packaging, within 30 days of delivery. Return shipping is free.

Help Choosing the Right Part

Not sure which part fits your appliance? Email support@thinkcrucial.com with your model number and we'll reply within one business day.
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Shop Air Purifier Filters

Air Purifier Filters

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Think Crucial Replacement Filters Compatible with Whirlpool Whispure Parts 8171434K, 1183054, 1183054K & 1183054K Large – Particle Filter, Bulk Pack

Think Crucial Replacement Filters Compatible with Whirlpool Whispure Parts 8171434K, 1183054, 1183054K & 1183054K Large – Particle Filter, Bulk Pack

$ 50.00
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Replacement Air Purifier Filter, Fits Kenmore 295 & 335, Compatible with Part 83375 & 83376

Replacement Air Purifier Filter, Fits Kenmore 295 & 335, Compatible with Part 83375 & 83376

$ 54.50
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Think Crucial 2 Replacements Compatible with Honeywell HFD-120-Q Odor Neutralizing Air Purifier Filters, Replaces Honeywell IFD filter

Think Crucial 2 Replacements Compatible with Honeywell HFD-120-Q Odor Neutralizing Air Purifier Filters, Replaces Honeywell IFD filter

$ 33.99
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Think Crucial Particle and Carbon Filter Replacement Part Compatible With Blueair Blue Pure Air Purifier Model 211+, Foldable, Bulk

Think Crucial Particle and Carbon Filter Replacement Part Compatible With Blueair Blue Pure Air Purifier Model 211+, Foldable, Bulk

$ 51.99
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Think Crucial Replacement Filter Compatible with Idylis C Carbon Filter Part # IAF-H-100C, 302656, Fits Idylis IAP-10-200, IAP-10-280 Air Purifiers Model – Bulk (1 Pack)

Think Crucial Replacement Filter Compatible with Idylis C Carbon Filter Part # IAF-H-100C, 302656, Fits Idylis IAP-10-200, IAP-10-280 Air Purifiers Model – Bulk (1 Pack)

$ 13.50
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Replacement Air Purifier Filter Compatible with Hunter® Brand Filter Part # 30962, Models 30729, 30730, 30763, 36730

Replacement Air Purifier Filter Compatible with Hunter® Brand Filter Part # 30962, Models 30729, 30730, 30763, 36730

$ 32.00
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Replacement Air Purifier Filter Compatible with Hunter® Brand Filter Part # 30963, Models 30709, 30710, 30711, 30714, 30721, 30752, 30760

Replacement Air Purifier Filter Compatible with Hunter® Brand Filter Part # 30963, Models 30709, 30710, 30711, 30714, 30721, 30752, 30760

$ 25.00
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8pk Replacement Carbon Pre Filters, Fits Whirlpool AP300, AP350, AP450 & AP510 Air Purifiers, Compatible with Part 8171434K

8pk Replacement Carbon Pre Filters, Fits Whirlpool AP300, AP350, AP450 & AP510 Air Purifiers, Compatible with Part 8171434K

$ 33.99
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Think Crucial Pre-Filter Replacement - Compatible with Kenmore Part # 83378 - Kenmore 295 Series Carbon Pre-Filter - Durable, Compact, Washable, Reusable Air Filters - Easy For Home Use

Think Crucial Pre-Filter Replacement - Compatible with Kenmore Part # 83378 - Kenmore 295 Series Carbon Pre-Filter - Durable, Compact, Washable, Reusable Air Filters - Easy For Home Use

$ 30.50
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Think Crucial Replacement Air Purifier Filter – Compatible with Essick Air Part # 1051-Models 4DTS 300, 4DTS 900, H12 300HB, H12 400HB, H12 600, 696400HB, 696800, 447400HB - Bulk 1 Pack

Think Crucial Replacement Air Purifier Filter – Compatible with Essick Air Part # 1051-Models 4DTS 300, 4DTS 900, H12 300HB, H12 400HB, H12 600, 696400HB, 696800, 447400HB - Bulk 1 Pack

$ 36.99
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Air Purifier Filter & Carbon Filter Fits Winix J, Models HR950 & HR1000, Compare to Part # 117130

Air Purifier Filter & Carbon Filter Fits Winix J, Models HR950 & HR1000, Compare to Part # 117130

$ 56.99
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Particle & Carbon Filter Replacement Fits Blueair 411, 411+ & MINI Air Purifiers, Compare to Model # F411PACF102174, Foldable

Particle & Carbon Filter Replacement Fits Blueair 411, 411+ & MINI Air Purifiers, Compare to Model # F411PACF102174, Foldable

$ 21.50
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We know that you care about the proper upkeep of your air purifier and we can help you with that endeavor! You need to replace your air filter on a timely schedule so that your room air purifier can continually function at maximum operating capacity. A fresh replacement filter is generally recommended for advanced particle filtration which results in cleaner air quality in your home or business.

Aside from our impressive selection of parts, we went to work to streamline our entire business to bring you our Price Match Guarantee! You don’t have to waste time or shop around worrying about getting the best deal. Rest easy with free shipping and 30-day returns at Think Crucial as well.

And that is also why we created a bunch of replacement air filters for their air purifiers! Aerus, Alen Air, Electrolux, Fellowes, Hamilton Beach, Holmes, Kenmore, Oreck, Rabbit, Winiz and many many more replacement air filters are all right here. 

If you can't find the part you're looking for, contact us and we'll be sure to help you find it!