20" x 20" x 18" High Efficiency Prefilter (Pocket)

Prefilter products designed to optimize efficiency and extend the life of more costly final stage filtration products

• Constructed with 100% non-shedding synthetic micro fiber using two polypropylene spun bond nonwoven layers and one layer of melt blown synthetic micro fibers

• Uniformly shaped pockets properly direct air flow and are sewn with a double lock stitch design with a sealant applied over stitch lines.

• Assembled with a non-corrosive, galvanized frame (actual frame width is 7/8"; designed to be inserted into a 1" track / holding frame).