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  • Pre Filter Spin Down Sediment Cartridge - Hong Kong

    price: 7.94 Dollar US$

    Spin down type sediment filter (pre-filter), with self washing vent valve, brass head, 1/2", 3/4", 1" NPT port options, and 40 micron stainless steel filter.

    STRUCTURE Pre-filter / Spin down water filter is suitable for wholehouse water treatment, works as pre-filter for all water consumption of a home.

    It is made of brass cap with standard in-let and out-let options of 1/2", 3/4", and 1" NTP threads with SUS 316 stainless steel filter and clear housing, with a vent valve on its bottom for self-washing purpose.

    FEATURES • Small size

    • Visible housing

    • Easy to install to standard pipes

    • Self washing, no filter replacement cost

    • High flow rate MAIN TECHICAL SPECIFICATION • Connection: 3/4", 1/2" and 1" threaded NPT • Maximum operating Pressure: 0.8MPa (116psi)

    • Working temperature: 5-40℃(41-140℉)

    • Maximum flow rate: 2.6-4.2m³/h

    • Measurements: 60*90*200mm

    • Pore size: 40-60 micron TYPICAL APPLICATIONS • Pre-filter for wholehouse water supply

    • Pre-filter for solar water heater

    • Pre-filter for well water and river water


    Company Contact:


    • Phone: +85251232688

    • Address: Suite A, 12/F, Ritz Plaza, 122 Austin Road Tsim Sha Tsui, Kowloon,, HONG KONG, Hong Kong

    • Email: Email


    Published date: November 2, 2021

    • Business Description: SF Filter (Shuangfa) is one of the earliest filter manufacturer in China, established in 1991, product certified by NSF since 2015, WQA membership since 2016, focused on filter cartridges for water/liquid filtration and purification.

      We believe in data, at SF, research and quality control protocols are developed based on performance.

      Our product includes String wound filters, PP melt blown filters, activated carbon filters, membrane pleated filters and water filter system.

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