Purolator® Defiant® Mark 80-D™ Extended Surface Pleated Filters Offer Low Initial Resistance For Energy Savings.
Made using a heavy duty, double walled beverage board frame with integral die cut media pack support members for strength and reinforcement that will not warp or bend under normal handling. Frame is moisture resistant and stands up to rough handling and difficult service conditions. Water repellent & bacteria resistant adhesive secures 100% synthetic media with a galvanized steel pleat support grid. Mechanical MERV 8 rating. Exceeds ASHRAE standard 62 for filters installed upstream of cooling coils. LEED certified. UL listed.