Poly-spun sediment filters use a spun-bonded polypropylene matrix with graded density, giving good dirt-holding capacity and long service life for general-purpose sediment removal. Available across standard, large diameter (Big Blue), and various micron ratings to fit most common housings.

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Frequently asked questions

A lower micron number filters finer particles but reduces flow and shortens cartridge life. A 5-micron filter is a common general-purpose starting point if you're unsure what your water needs.

Check the length and diameter of your existing cartridge against the product listing. Standard sizes include 10in, 10in Large Diameter (Big Blue), and 20in.

This depends on your water quality and usage, but a noticeable drop in flow rate or visible discolouration of the cartridge are the clearest signs it's time to change. Check every 1-3 months as a general guide.