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Thread: Hayward Smart Filter. Is this 450 or 550?

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    Join Date
    Apr 2014

    Hayward Smart Filter. Is this 450 or 550?

    Here's a picture of the filter. On the outside, it says 450 or 500. When I look online there seem to be size difference betwee. The two cartridges. On the bottom right corner of the picture, it says "model=C5520BHMB". Can I assume that it's 550 size?

    2007 built IG plaster 15'x25' 12k gallon kidney shaped pool with spa. Spa waterfalls into the pool. Hayward Tristar 2.5HP 2-speed with Hayward 450 Smart Filter (cartridge)

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    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

    Re: Hayward Smart Filter. Is this 450 or 550?

    Bumping post to add it to today's activity stream. Hopefully someone will have suggestions for you.
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Hayward Smart Filter. Is this 450 or 550?

    Yes that is a 550. The 450 would have a model number that started with C45.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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