MERV 11 AC FILTER 21.5x23.25x1 – Filters Fast AC Filters meet the same standards as the name brand filters and we back our 21.5x23.25x1 filter with a MERV RATING 11. We are a member of NAFA, The National Air Filter Association.
PREMIUM HVAC FILTERS – These 21.5x23.25x1 air filters are a compatible replacement for Dupont Gold, Maximum, Platinum, ProClear, and Ultra.
ENHANCE THE AIR IN YOUR HOME – The premium MERV 11 rating Filters Fast filters will help with overall air standards while also helping to extend the life of your heating and cooling system.
EFFICIENT FILTER – The MERV 11 rating on these air conditioner filters will do an excellent job with your indoor air. It’s recommended to change your filter every 1-3 months as needed.
BULK PACK – Includes (6) 21.5x23.25x1 AC furnace air filters. They’re individually-inspected and securely boxed, ensuring they arrive in perfect condition.
