Furnace Filter Buying Guide

Flanders FilterLock Air Filter Accessories - Magnetic 2-Piece Design furnace filter slot We're All About Sealing Up Ductwork In the video above we explain a very easy simple tip to seal the space around your furnace filter slot furnace filter slot cover Patented two-piece system designed for use with 1-inch air filters; Eliminates air leakage at the filter slotdoor to improve indoor air quality

lion 777 slot Why does the furnace not come with a filter slot cover? We recently got a question asking us