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August 25, 2011 | 11:20 pm CDT
The HemiPleat NoOval replacement filter has an “oval to round” design that reportedly delivers a perfect fit into down flow-style dust collectors. The filter features a nano fiber media, said to be strong enough to handle even highly challenging dust environment. According to Camfil Farr, the product offers high filtration efficiency, good energy performance and long useful life. Choose from moisture-resistant or fire-retardant versions; non-nano cellulose-blend media also is available. (800) 479-6801,