Osmio 4.5" x 20" String Wound Filter - 20 Micron

The Osmio 4.5" x 20" String Wound Filter - 20 Micron is a 20 micron water filter cartridge made of FDA grade polypropylene fibers that will reduce sediment, sand, dirt, rust, and other impurities in your water. This Osmio Full Flow string wound water filter offers excellent chemical compatibility and high dirt filtering capacity, all at an economical price. This string wound filter is made of FDA grade polypropylene and is suitable for potable water as well as industrial use. This Osmio Full Flow string wound water filter (SF5-20-425) offers excellent chemical compatibility and high dirt filtering capacity, all at an economical price. This string wound filter is made of FDA grade polypropylene and is suitable for potable water as well as industrial use.


This string wound filter cartridge fits most water filter housings that require 20" water filters (20" x 4 1/2").

The Osmio polypropylene string wound filter is also commonly known as a string wound PP filter cartridge.

Watts SF5-20-425 String Wound Filter Cartridge:

    5 Micron Rating
    Max Temp: 140 F
    Dimensions: 20" x 4 1/2"
    Reduces: Sediment, Sand, Dirt, Rust
    Media: FDA Grade Wound Polypropylene (PP) Fibers

Filter life depends on water quality and usage. This filter should be changed when a decrease in pressure is noticed.