Spiropure 17.5x24.5x2 merv 11 pleated filter air filters - made in usa (6 pack)

17.5x24.5x2 actual: the actual size of this replacement filter is 17.5x24.5x1.75 merv 11 rating: with an efficiency of 85% or better, these filters are usually the best option for residential homes & light commercial applications that have pets or suffer from asthma, severe allergies, or other respiratory problems. filters allergens: removes potential allergens such as dust, lint, dust mite debris, pollen, mold spores, pet dander, auto emissions, and smoke. quality replacement: comparable to a 3m filtrete mpr rating of 1000-1200 (allergen defense and dual-action micro allergen dust defense models). made in usa: our pleated furnace filters are made in the usa and offer a high quality replacement air filter option for your air conditioner and/or furnace unit without the high cost.