Viskon-Aire 154-570 154 Internal Wire Pre-Filter Linked Panel, 21-1/2 in W x 110 in H

Viskon-Aire's Series 154 is three ply 100% 6/15/40 denier graduated density polyester media with a internal tackifier between the 2nd and 3rd layers. It is designed to replace pleated and/or fiberglass throwaway filters.

Features:

• Open weave on air entering side traps larger particles; tight weave on air exiting side captures smaller particles
• Media heat sealed around 9 ga wire frame creating self-sealing gasket, dramatically increasing efficiency
• Takes up 50% less space compared to standard cardboard framed filters, saving money and lessening trips by maintenance personnel to air handler
• Unaffected by humidity, moisture and most corrosive chemicals
• Three ply 100% 6/15/40 denier graduated density tackified, premium-grade, polyester media, heat sealed around 9 ga corrosion-resistant internal wire frame