SpiroPure 17.38x19.75x1 MERV 11 Pleated Filter Air Filters - Made in USA (6 Pack)

17.38x19.75x1 ACTUAL: The actual size of this replacement filter is 17.38x19.75x0.75 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.