18x22x1 NOMINAL: The actual size of this replacement filter is 17.5" x 21.5" x 0.75"
MERV 13 RATING: With an efficiency of 90% or better, these filters are a great choice for inpatient hospitals and other commercial environments that require increased filtration.
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.
