Mechanical MERV8 Filter. Air Flow Capacity listed at 300FPM
Low initial resistance for energy savings, Quality Engineered, Consistently Produced, Made of 100% 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
ACTUAL SIZE 19 1 2 Width X 19 1 2 Height X 1 3 4 Thick, NOMINAL SIZE 20 Width X 20 Height X 2 Thick