Pleated filters prevent dust from entering your hvac system while trapping airborne particles and allergens such as pet dander and dust mites. mechanical merv 8 filter. air flow capacity listed at 300fpm; low initial resistance for energy savings, quality engineered, consistently produced, made of 100% synthetic fibers. 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.
