18x22x1 NOMINAL: The actual size of this replacement filter is 17.5" x 21.5" x 0.75"
MERV 8 RATING: With an efficiency of 70% to 85%, these filters are usually the best option for most residential homes & light commercial units, ensuring airflow in your HVAC system is unrestricted.
EFFICIENT FILTRATION: Enjoy fresh air in your home as the filter helps reduce lint, hair, and more.
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.
