Balanced to withstand flow capacity up to 625 FPM while maximizing dust-holding capacity.
Balanced to withstand flow capacity up to 300 FPM while maximizing dust holding capacity. Safe and easy installation. Diagonal support members bonded to pleats and double wall frame construction. Features 2-piece, heavy-duty, high-wet strength beverage board frame. MERV (Minimum Efficiency Reporting Value) 8 Rating. Sold individually.