cleanable pre-filter, 13" x 27.75" x 0.30" with black 25 PPI open cell polyurethane foam; aluminum frame and uni-grid support on one side | 1681-04A displayed

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Pre Filter; Containment for Negative Pressure Applications, Dimensions: 27.75" x 13" x 0.25" (705 x 330 x 6.35 mm)

A pre/post filter, this is recommended on both sides of the activated charcoal filter to contain large carbon particles
Material: 1/4" thick polyurethane foam media, 25 PPI

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Summary

A pre/post filter, this is recommended on both sides of the activated charcoal filter to contain large carbon particles
Material: 1/4" thick polyurethane foam media, 25 PPI

This cleanable pre-filter provides high dust arrestance in medical equipment, electronics, computer, telecom, datacom and general purpose equipment. It is specially designed for equipment where space is limited.

The filter media is a polyurethane foam with an open cell structure. The random arrangement of strands and pores make this a filter media with tremendous dust-holding capacity and arrestance.

The foam media has a flame resistant additive for self-extinguishing properties.

Pores Per Inch: 25 PPI

Initial Resistance: 0.03 inches water gauge

Average Synthetic Dust Weight Arrestance: 63%

All filter sales are final; returns cannot be accepted.