SF patented string wound high flow type, with OD 6.22" and 1 to 100 micron range. STRUCTURE High Flow string wound filter is patented in China by SF Filter. Using multi-holes to make the filter 9 times dirt holding capacity as ordinary string wound cartridges. With O-rings to avoid bypass. 3 grades are available. HFA, HFB and HFC can meet most pre-filtration requirements. The end cap and dimensions can be customized to meet certain requirments. FEATURES 1 High dirt holding capacity, long service life 2 No bypass 3 Easy replacement 4 Through holes create real depth filtration 5 High flow rate and low pressure loss 6 Pure, clean and washed material which is same as NSF approved type (HFA). 7 Pure material, suitable for strong corrosion liquids (HFB). 8 Common material, allows lower price (HFC). MAIN TECHICAL SPECIFICATION 1 Dimension: Outer diameter :158�±1mm, Inner diameter:70mm 2 Maximum operating Pressure: 0.5MPa 3 Maximum operating Pressure Drop: 0.2MPa 4 Temperature: 60 degrees TYPICAL APPLICATIONS 1 Food & Beverage (HFA) 2 Pharmacy & Hospital (HFA) 3 Pre - RO (HF A & HFB) 4 Industrial liquid filtration 5 Other applications