The HemiPleatâ„¢ HE (High Efficiency) has a MERV 15 efficiency rating. It offers up to twice the service life and half the pressure drop of standard dust collector cartridge filters, claims the manufacturer. Available in filter sizes to fit any cartridge collector, the filter's media can capture toxic and other ultrafine dusts. It can be used in applications where process air is recirculated downstream of the collector for energy savings. The filter combines HemiPleat technology with an HE synthetic fiber media that yields a filtration efficiency of 99.999 percent on 0.5-micron particles and larger. The filter is designed to hold the pleats of the filter open, making virtually all the media surface available for filtration. The wide, uniform spacing results in lower pressure drop for more efficient performance. This design allows dust to eject readily from deep within the pleats during pulse cleaning.

Farr Air Pollution Control, 3505 S. Airport Rd., Jonesboro, AR 72401; 800-479-6801 or 870-933-8048; 800-222-6891 (fax);;

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