MERV RATED REPLACEMENT AIR FILTER: AIRx Filters 21x22x1 (Actual: 20.75 x 21.75 x 0.75 in) MERV 11 air filter assures the effectiveness of your home HVAC system resulting to efficient heating, ventilation and air conditioning
CONTAMINANT REDUCING REPLACEMENT AIR FILTER: AIRx Filters 21x22x1 air filter replacement (Actual: 20.75 x 21.75 x 0.75 in) traps 1.0 - 10.0 micron of particles such as lint, dust, pollen, dust mite debris, mold spores, pet dander, smoke, and smog
HIGH QUALITY AIR FILTER REPLACEMENT MATERIAL: AIRx Filters 21x22x1 (Actual: 20.75 x 21.75 x 0.75 in) air filters are 100% made in the USA using high quality air filter moisture resistant double-wall beverage board
SUPERIOR AIR FILTER REPLACEMENT CONSTRUCTION AND SPECS: AIRx Filters 21x22x1 air filter uses electrostatically charged 100% synthetic gradient media can perform at temperature ranging from 180F (82C) continuous service, peak 225F (107C)
EASY SELECTION, MULTI-PACK AIR FILTER COMPATIBLE: Purchasing an AIRx Filters is easy, AIRx Filters offers various sizes that would fit your AC and/or Furnace air filter need and different multi-pack to fit every budget
