Replacement Filters

Find Replacement Filters at Allergy Buyers Club. Maintain peak performance for your air purifiers and humidifiers. Shop now for genuine, high-quality filters!

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  • The Pure Company Signature Carbon Block Filter
    ABC
    The Pure Company
    The Pure Company Signature Carbon Block Filter
    Genuine replacement filter for the Pure Company Carbon Water Decanter. This filter is faster then the previously installed Carbon Block Water filter and still removes many of the harmful impurities found in tap water such as chloramines, lead, heavy metals, pesticides, VOCs, & trihalomethanes....
    $29.00
    $29.00
  • QuietPure Home+ HEPA & Carbon Replacement Filter
    ABC
    CST
    QuietPure Home+ HEPA & Carbon Replacement Filter
    Replacement combo HEPA carbon filter cartridge for the QuietPure Home Plus Air Purifier by CST.
    $129.00
    $129.00
  • QuietPure Home Replacement Combo HEPA Filter Cartridge
    ABC
    CST
    QuietPure Home Replacement Combo HEPA Filter Cartridge
    Replacement combo HEPA filter cartridge for the QuietPure Home air purifier.
    $99.00
    $99.00
  • Blueair 500 and 600 Series DualProtection Filter
    ABC
    Blueair
    Blueair 500 and 600 Series DualProtection Filter
    Experience the ultimate in air filtration with Blueair DualProtection filters. Designed for maximum particle, gas, and odor removal, they work seamlessly with Blueair's HEPASilent technology for uncompromised purifying power. Plus, the pure coconut carbon eliminates gaseous pollutants without harsh chemicals. Breathe easier with up...
    $149.99
    $149.99
  • Blueair 400 Series HEPASilent Particle Filter
    ABC
    Blueair
    Blueair 400 Series HEPASilent Particle Filter
    Blueair 400 series particle filters. Replacement filters for the Blueair 401, 402, 403, 450E air purifiers.
    $89.99
    $89.99
  • Blueair 500-600 Series HEPASilent Particle Gas Filter Set
    ABC
    Blueair
    Blueair 500-600 Series HEPASilent Particle Gas Filter Set
    Blueair 500 and 600 series particle & gas filters. Replacement filters for the Blueair 501, 503, 550E, 601, 603, 650E air purifiers.
    $99.99
    $99.99
  • GermGuardian® Air Purifier Model AC5000 Replacement Filter
    ABC
    Germ Guardian
    GermGuardian® Air Purifier Model AC5000 Replacement Filter
    The GermGuardian® AC5350B True HEPA Elite Air Purifier with UV-C sanitizer captures allergens and kills germs and bacteria while fighting mold and odors. Sleek space-saving design cleans rooms up to 234 sq. ft. See expert reviews and customer reviews.
    $39.95
    $49.95
    $39.95
  • FilterQueen® Defender® Charcoal Wrap
    ABC
    FilterQueen
    FilterQueen® Defender® Charcoal Wrap
    Genuine Replacement Envrio-Pure ® replacement Activated Carbon Charcoal Wrap for FilterQueen ® Defender ®. The Enviropure Charcoal Filter Wrap is made with HEGA (High Efficiency Gas Absorption) material, which is highly effective at reducing pollutants such as tobacco smoke, pet odors and lingering cooking...
    $39.00
    $39.00
  • Blueair PRO M Replacement Particle Filter
    ABC
    Blueair
    Blueair PRO M Replacement Particle Filter
    Blueair Pro M particle filters. Replacement filters for the Pro M air purifiers.
    $99.00
    $99.00
  • Blueair 200-303 Series HEPASilent Particle Filter
    ABC
    Blueair
    Blueair 200-303 Series HEPASilent Particle Filter
    Improve the air quality in your home with the Blueair 200-303 Series HEPASilent Particle Filter. This high-performance filter effectively captures and removes harmful particles, providing cleaner and healthier air for you and your family. Breathe easier and feel refreshed with this must-have addition to...
    $79.99
    $79.99
  • Blueair 200 Series DualProtection Filter
    ABC
    Blueair
    Blueair 200 Series DualProtection Filter
    Enhance the quality of your air with Blueair DualProtection filters. These filters use HEPASilentTM technology to remove particles, gases, and odors without reducing the Clean Air Delivery Rate (CADR). Activated coconut carbon naturally removes gaseous pollutants without harmful chemicals. With a pleated design for...
    $109.99
    $109.99
  • CST PowerPure AP03 Replacement HEPA Filter
    ABC
    CST
    CST PowerPure AP03 Replacement HEPA Filter
    Replenish the air quality in your home with the Aerus PowerPure AP03 Replacement HEPA Filter. This easy-to-replace filter helps capture and trap dust, pollen, and other airborne particles, so you can breathe easy and enjoy a healthier, cleaner, and fresher environment.
    $49.99
    $49.99
  • Austin Air Standard Pre-Filters
    ABC
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    Austin Air
    Austin Air Standard Pre-Filters - White
    The Austin Air Standard Pre-Filter is a replacement filter for the Standard series of air purifiers. This large particle pre-filter removes particles easily seen by the naked eye (e.g. dust, hair, and pet dander). Changing the pre-filter when needed helps to prolong the life...
    $34.50
    $34.50
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  • AP Hydroxyl Cells for Ecosphere and UP3000
    ABC
    CST
    AP Hydroxyl Cells for Ecosphere and UP3000
    Replacement cells for the Ecosphere and the UP 3000 Units. Recommend replacing annually to keep your unit running optimally. Includes 2 cells for a full change.
    $219.98
    $219.98
  • Blueair 400 Series DualProtection Filter
    ABC
    Blueair
    Blueair 400 Series DualProtection Filter
    Experience uncompromised and rapid air purification with the Blueair 400 Series DualProtection Filter. Designed for ultimate particle, gas, and odor removal, it uses HEPASilent technology and activated coconut carbon to efficiently remove pollutants up to four times faster than other carbon filters. Breathe in...
    $129.99
    $129.99
  • Austin Air Healthmate Filter
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    Austin Air
    Austin Air Healthmate Filter - White
    Replacement filter for the Austin Air HealthMate® with Pre-Filter. It removes a wide range of airborne particles, chemicals, gases, and odors to improve your home's air quality. 
    $290.00
    $290.00
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  • CST PowerPure AP03 Replacement Carbon Filter
    ABC
    CST
    CST PowerPure AP03 Replacement Carbon Filter
    Reduce odors, irritants, and other airborne particles with a quality Certified Space Technology PowerPure AP03 Replacement Carbon Filter. Its reliable carbon filter construction ensures top-of-the-line air purification performance. Enjoy a fresher, healthier, and more natural breathing environment with CST PowerPure!
    $49.99
    $49.99
  • Blueair PRO XL Replacement Carbon+ Filter Set
    ABC
    Blueair
    Blueair PRO XL Replacement Carbon+ Filter Set
    Blueair Pro XL Carbon+ filters. Replacement filters for the Pro XL air purifiers.
    $194.97
    $194.97
  • Blueair PRO L Complete HEPASilent Filter Kit
    ABC
    Blueair
    Blueair PRO L Complete HEPASilent Filter Kit
    Blueair Pro L particle filters. Replacement filters for the Pro L air purifiers.
    $198.00
    $198.00
  • Blueair PRO XL Complete HEPSilent Filter Kit
    ABC
    Blueair
    Blueair PRO XL Complete HEPSilent Filter Kit
    Blueair Pro XL particle filters. Replacement filters for the Pro XL air purifiers.
    $297.00
    $297.00