Assigned by Sterling Seal & Supply KP-20x25x4x2.AZ Furnace Air Filter, 20" x 25" x 4" Purolator Key Pleat Extended Surface Pleated Air Filter, Mechanical MERV 8

Purolator Hi-E 40 extended surface pleated air filter, mechanical MERV 8, 16 inch W x 20 inch H x 1 inch D, 1 each. The Hi-E 40, supplied by Sterling seal & supply is a medium efficiency pleated filter, available in 1", 2 inch or 4 inch depths and several standard face sizes to accommodate most system requirements. The 100 percent hydrophobic synthetic media provides 35-40 percent average efficiency and nearly 95 percent average arrestance. The Hi-E 40 is effective as a stand-alone filter or prefilter. Support grid made of galvanized steel, PVA adhesive not affected by mold or microbial growth; moisture resistant. *** facts about home and business air filters, allergies, and filter quality *** when looking to replace your air filter, there are typically two different sizes you need to understand, inch actual size and nominal size". first: the actual size consists of the true dimensions of your filter when measuring Length, width and depth (thickness). these dimensions typically include a fraction of an inch within them.

• Mechanical Merv8 filter exceeds ashrae standard 62 air cleaning specifications for filters installed upstream of cooling coils
• Low initial resistance for energy savings, quality engineered, consistently produced, made of 100 percent synthetic fibers, made in the usa for over 30 years
• Two-piece frame construction - will not rack, warp, or bend under normal handling or operating condition
• Package Dimensions: 20.0" L x 26.0" W x 7.0" H