Filter Selection Guide

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1.800.637.2803
Bulk Media & Pads
ST55 (Models PRELK55Gxx) Nominal 1/2“ tackified PSF. Light green and white with green on the air exit side.
Pre-T (Models PTxx) Pre-T is an extremely rugged psf designed for repeated cleaning by washing or vacuum-
ing. Dry, untreated. Nominal 1/2“ thickness only. Red and purple with purple on the air exit side.
PS125 (Models PS125-xx) Nominal 1 untreated PSF which is reinforced with a scrim backing on the downstream side.
PSF Series 225, 325, 425 (Models ENTRY225T-xx, ENTRY325T-xx, ENTRY425T-xx) Series 225 is nominal 1 dual denier
tackified media; 325 is nominal 1-1/2 three denier tackified and 425 is nominal 1-1/2 four denier tackified.