MWY45 / WY45 / PWW50 / 817-0050 / WW50S spa cartridge filter. Used by Signature, SpaQuip, Maax, Lanark, Heritage, Palm Springs, Signature, Cyclone, Designer, Impact, Stylus, Timeless, Sapphire and others. Approx 205mm x 150mm x 46mm Thread.
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