Sold by Air-Care and Fulfilled by Amazon. 20x25x1 Electrostatic Washable Permanent A/C Furnace Air Filter. Never Buy a New FilterDetailsAir-Care 20x20x1 Electrostatic Washable Permanent A/C Air Furnace Filter FREE Shipping on orders over $49. Details16x25x1 Electrostatic Washable Permanent A/C Furnace Air Filter FREE Shipping on orders over $49. Buy "20x25x1 Electrostatic Washable Permanent A/C Furna...” from Amazon Open-Box & Used and save 70% off the $149.99 list price. Replaces standard 20x25x1 sized disposable filters. Standard filters are generally undercut 3/8 inch. The actual size of this filter is 19-5/8 x 24-5/8 x 7/8 These filters retail elsewhere for $69.99-$99.99. Your satisfaction is 100% guaranteed! These permanent, washable air filters remove up to 95% of airborne allergens and contaminants and feature low air resistance. Not all electrostatic filters are the same! It is very important that air filters have LOW AIR RESISTANCE so they don't make your central air unit work harder.

This can lead to higher energy bills and eventual damage to your HVAC unit. Tired of having to remember to buy that furnace filter every 3 months? what causes condensation on ac unitTired of your house being dusty? ac unit wire sizeReplace your disposable air filter with a washable electrostatic filter. ac unit completely frozenIt traps more dust and allergens, has a durable metal frame and comes with a warranty or your money back. Just hose off, allow to dry for 15 minutes and reinstall 30 x 20.1 x 1.7 inches Minimum Efficiency Reporting Values (MERV) work in any central heating or air conditioning system anti-microbial material, Reduces pollen, dust and airborne pollutants #16,239 in Home Improvements (See top 100) #181 in Home Improvement > Appliances > Furnace Filters