Purolator® Hi-E 40™ High Temperature Filters Are Medium Efficiency Pleated Filters For Use In Systems Involving Elevated Operating Temperatures.
Filter media is 1/4" thick high density ultra-fine fiberglass reinforced by a woven fiberglass mesh. Wedge shaped pleats are formed and supported using corrosion resistant, electro-galvanized expanded steel. Filter media is bonded to the expanded metal to prevent media sagging. 500°F operating temperature. Perimeter frame is made of 24 gauge aluminized steel. Pleated element is supported downstream by a 24 gauge expanded aluminized steel face guard. MERV 8 rated. Meets ASHRAE test standards. Class 1 UL listed.
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