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  • Home / 12mm John Guest Fittings / Page 1 of 1

    12mm John Guest Fittings

    John Guest Blue Tube

    John Guest Blue Tube

    from $2.40
    John Guest Red Tube

    John Guest Red Tube

    from $2.40
    John Guest Black Tube

    John Guest Black Tube

    $2.40
    12mm John Guest Connectors
    12mm John Guest Connectors
    12mm John Guest Connectors
    12mm John Guest Connectors
    12mm John Guest Connectors

    12mm John Guest Connectors

    from $6.93
    12mm John Guest Adapters
    12mm John Guest Adapters
    12mm John Guest Adapters
    12mm John Guest Adapters
    12mm John Guest Adapters

    12mm John Guest Adapters

    from $7.65
    12mm John Guest Shut Off Valve

    12mm John Guest Shut Off Valve

    $20.79
    12mm John Guest Tube Insert

    12mm John Guest Tube Insert

    $0.55
    12mm John Guest Plug

    12mm John Guest Plug

    $3.15
    12mm John Guest Locking Clip

    12mm John Guest Locking Clip

    $0.55
    12mm John Guest Pipe Saddle

    12mm John Guest Pipe Saddle

    $0.77

    12mm John Guest Fittings

    Our 12mm John Guest fittings range provides a fast, secure push-fit solution for caravan, marine, and low-pressure commercial plumbing systems. Built for ease of use and long-term reliability, these fittings are trusted by professionals for water, beverage, and air lines.

    This collection includes all major 12mm John Guest components—from connectors and adaptors to shut off valves, plugs, and accessories. Each product is engineered from high-grade acetal plastic or brass for a strong, corrosion-resistant seal. Installation is quick, requiring no tools, making these fittings ideal for upgrades or fast repairs in the field.

    At Hose Suppliers Australia, we stock the complete 12mm range for fast dispatch from our Brisbane and Gold Coast service centres.

    Please Note: John Guest can sometimes have supply shortages on certain products, which may result in backorders. Our staff will contact you directly regarding any shortages that may affect your order.