When your HVAC system ‘breaks down’ or isn't controlling the climate right, guess what the repair service people are going to check first? Your air filter! 150 bucks, please! Be smart. Call United Filter Company Ltd. (844-834-5837). Or shop online! Learn more at https://unitedfilter.com/collections/4-inch-furnace-filters/24x24x4
United Filter Company Ltd. #6-2624 Royal Windsor Drive, Mississauga, Ontario L5J 1K7, Canada Website https://www.unitedfilter.com Phone +1-416-786-6777 Email darrin@unitedfilter.com