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Purolator Hi-E 40 16x20x2 Air Filter
The Hi-E 40 is a medium efficiency pleated filter, and will accommodate most system requirements. The 100% hydrophobic synthetic media provides 35-40% average efficiency and nearly 95% average arrestance. The Hi-E 40 is effective as a stand-alone filter or prefilter.
Hi-E 40 filters are made with 100% synthetic fibers providing mechanical efficiency to achieve a MERV 8 performance. Hi-E 40 filters have a MERV 8 performance before and after a conditioning step. The MERV 8 media has a Polyvinyl Acetate (PVA) adhesive that is not affected by mold or microbial growth.