High dirt-holding capacity for critical applications such as corrosive fluids, including acids, alkalis, oils, and organic solvents bp series filters are made with high quality glazed pp felt filter media offered in actual sizes of 4" d x 8.625" l or 4" d x 18" l to fit any standard 10” or 20” filter housings available in the nominal micron ratings of 1, 5, 10, 25, 50, 100, and 200 microns spiropure filter bags have a 30-day money back guarantee
