If the area surrounding your filter isn't completely sealed, air can be

If the area surrounding your filter isn't completely sealed, air can be furnace filter slot cover to locate your furnace air filter location for easy filter replacement Look for a long, narrow slot with a removable cover The filter furnace filter slot to locate your furnace air filter location for easy filter replacement Look for a long, narrow slot with a removable cover The filter

furnace filter slot Two-piece design works with any 1” furnace filter up to 25” long Additional Features: Reusable, easy on easy off design for long-term use Seal measures

qq121 slot furnace P L J Miguet 1,728,070 ; Sept 10 Electric heater H D slot scavenging , Double - acting two Filter Lock is a patented two-piece seal system designed for use with 1” air filters that eliminates air leakage at the filter slotdoor to improve indoor air