Amazon Assigned by Sterling Seal & Supply, (STCC)  
28-03-2019 07:31 am
Assigned by Sterling Seal & Supply, (STCC) KP-20x25x4x2.AZ.DSC Furnace Air Filter, 20x25x4 Purolator Key Pleat Extended Surface Pleated Air Filter, Mechanical MERV 8 (Pack of 2)
Purolator furnace filter - style key pleat, mechanical merv 8 filter. Air flow capacity listed at 300 fpm
Low initial resistance for energy savings, quality engineered, consistently produced, made of 100 percent synthetic fibers, made in the usa for over 30 years
Single piece beverage board die cut frame, with structural integrity unlike any self supported filter available today
Pleats hold together even when wet! no delaminating, no excessive buckling, no collapsing. Filter can endure impact and deformation and return to its original shape
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