... , by heating melting and silk spray, traction, acceptingforming tubular filter, it has characteristics like large flow, smallpressure difference, pollutant ... length 10″——filter accuracy 5μm Size:1. length: 5'', 10", 20", 30", 40" 2. internal diameter: 28 mm, external diameter: ... , 20, 30 ,50 E. Application: 1. Electronic industry: Pre-filter for ultra pure water Chemicalproducts and pure water 2. Food ...