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  • Campbell CM431 Filter Cartridge

    The Campbell CM431 phosphate-based cartridge forms a protective layer inside pipes to prevent corrosion and scaling. It is suitable for all types of hot water systems, including boilers and tankless systems.

    Depending on your water quality, replace the cartridge every six months or more frequently. It's time to replace your filter when reduced water flow is noticed.

    Key Features:

    • 125 PSI Max Pressure
    • Max Temperature: 100°F
    • Reduces scale build-up, inhibits corrosion
    • Extends the life of plumbing and hot water systems
    Value Pack
    Purchase options
    $128.37 USD
    $112.97 USD

    Auto-renews, skip or cancel anytime.

    Purchase options
    $217.60 USD
    $191.49 USD

    Auto-renews, skip or cancel anytime.

    Purchase options
    $337.92 USD
    $297.37 USD

    Auto-renews, skip or cancel anytime.

    To add to cart, go to the product page and select a purchase option

    Auto-renews, skip or cancel anytime.

    Auto-renews, skip or cancel anytime.

    Auto-renews, skip or cancel anytime.