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Free U.S. shipping on every order · Ships same day when ordered by 12pm ET · Fit guaranteedDetails

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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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Heating, Cooling, & Air

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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 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 Humidifier Air 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 Humidifier Air 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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Replacement Filter Pads Compatible with Dynamic Air Cleaner 16x25 – Fits C3P1625, FLR01771, 85N53 – Carbon Center & Electrostatic Media – 3-Pack by Think Crucial

Replacement Filter Pads Compatible with Dynamic Air Cleaner 16x25 – Fits C3P1625, FLR01771, 85N53 – Carbon Center & Electrostatic Media – 3-Pack by Think Crucial

$ 51.59
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ThinkCrucial Replacement Particle Filter with Activated Carbon Fits Shark Air Purifier Cleaner 6 (HE601 & HE602), Part # HE6FKPET, HE6FKBAS & HE6FKPRO

ThinkCrucial Replacement Particle Filter with Activated Carbon Fits Shark Air Purifier Cleaner 6 (HE601 & HE602), Part # HE6FKPET, HE6FKBAS & HE6FKPRO

$ 36.99
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Air purification is something we take seriously, and we know that you do too! Think Crucial has the air purifier filters that you need for your air purifier or humidifier.
Search from our large inventory easily by selecting the brand that you need from our filter search. Are you looking for an air purifier for allergies? We’ve got replacement air purifier filters in stock. You can even enter a specific model # for the room air filter you need. We also have an extensive selection of furnace filters, and you can locate the one you need by choosing the dimensions that your furnace requires.

Ordering is a breeze. Regular replacement of your filters is critical to maintain clean air quality for a healthy home or office environment. We can accommodate bulk orders of any size as well. Contact us today if you need assistance!

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