Welcome to Our Official Store MENU Home About Feedback Contact Us Home About Feedback Contact Us Categories All Products Home Garden Business Industrial Clothing, Shoes Accessories Toys Hobbies Sporting Goods Health Beauty Collectibles Crafts Pet Supplies Jewelry Watches Baby Consumer Electronics Dolls Bears Books Magazines Computers/Tablets Networking Musical Instruments Gear Cameras Photo Movies TV Travel Music Sports Mem, Cards Fan Shop Art Cell Phones Accessories Everything Else Coins Paper Money Pottery Glass Usefull Link View Store Add to Favourites Ask Question View Feedback Why Choose Us ? 20" X 30" X 1" Nested Glass MERV 1 Air Filter (4 Filters) DESCRIPTION This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. For peak equipment protection and energy efficiency, these filters should be changed monthly. Protects heating and air conditioning equipment without causing additional strain Nested construction allows for efficient storage Each filter lasts up to 30 days UL Class 2 30 DAYS RETURN POLICY FAST DELIVERY FREE SHIPPING TRUSTED WARRANTY Payment options Secure payments through TOP CATEGORIES Home About Feedback Contact Us Newsletter Sign up to our newsletter for special deals SUBMIT Copyright ilthriftstore 2024. All Rights Reserved