17.5x21x1 ACTUAL: The actual size of this replacement filter is 17.5x21x0.75
MERV 11 RATING: With an efficiency of 85% or better, these filters are usually the best option for residential homes & light commercial applications that require slightly increased filtration of particles, such as those with pets
CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, hair, debris and other indoor impurities.
AFFORDABLE QUALITY: SpiroPure air filters are sold in packs to save you even more without cutting corners on material quality, efficiency, or filtration performance.
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.
