John Guest

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  • 1

    The John Guest Female NPT x Push-Connect Adapter can be used to adapt any 1/8 male NPT threaded plumbing to 1/4 push connect, and is perfect for converting your Neptune Systems DOS to accept standard 1/4 RO tubing. This adapter can be used to replace the compression fittings on the DOS, threading…

    $4.99 Regular Price: $

    …or direct it from one direction to another. They work great for fresh and saltwater storage containers, and give you control of when the container fills back up. Three way ball valve with John Guest 1/4" push connect fitting. John Guest Material: PVC, EPDM Dimensions: 2-3/8" x 2-11/16" Max PSI:125

    $21.99 Regular Price: $

    …a perfect cut every time! Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $4.99 Regular Price: $
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    …input on the membrane. Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $9.99 Regular Price: $
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    …Reverse Osmosis Systems Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $14.99 Regular Price: $
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    …a perfect cut every time! Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

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    …a perfect cut every time! Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

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    …two readings will notify you when it's time to change the RO membrane and DI resin. This unit features a digital display and comes with two 1/4" John Guest Quick Connect Tee's. 550 mL Flow Membrane Flush Valve Reverse Osmosis membrane flush/flow restrictor valves increase the flow to the membrane by…

    $59.99 Regular Price: $
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    …two readings will notify you when it's time to change the RO membrane and DI resin. This unit features a digital display and comes with two 1/4" John Guest Quick Connect Tee's. 800 mL Flow Membrane Flush Valve Reverse Osmosis membrane flush/flow restrictor valves increase the flow to the membrane by…

    $59.99 Regular Price: $
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    …a perfect cut every time! Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

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    …Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with red accents Specifications Volume - 3.96 Gallons / 15 Liters Dimensions - 3.94"L x 15.75"W x…

    $199.99 Regular Price: $
    Out of Stock

    …Acrylic stem intake reaches bottom of container for adequate supplement turnover Recessed, flush lid Barb style hosing connection 1/4" John Guest fitting Modern black and clear finish with red accents Specifications Volume - 0.53 Gallons / 2 Liters Dimensions - 9.84"H x 4.92"W Connection…

    $89.99 Regular Price: $

    …from raw source water. Made in the USA, Mur-lok Linear Low Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $9.99 Regular Price: $
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    …a special internal check ball and spring made from corrosion resistant materials for long-term reliability. This checkvalve also utilizes 1/4" John Guest style push-connect fittings for fast and easy connection to CO2 resistant polyurethane or polyethylene RO tubing, which is recommended for proper…

    $18.99 Regular Price: $21.99

    …Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with red accents Specifications Volume - 15.85 Gallons / 60 Liters Dimensions - 11.81"L x 15.75"W…

    $399.99 Regular Price: $
    Out of Stock

    …a perfect cut every time! Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $4.99 Regular Price: $
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    …solution to make your home RO plumbing setup neat and professional looking. These mounting brackets are designed to hold the 3-Way Ball Valve with John Guest 1/4" Push Connect and can be securely mounted to a wall or another rigid surface making it easier to turn without having to use two hands. The…

    $9.99 Regular Price: $

    …on the membrane housing. Made in the USA, Mur-lok Linear Low Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $14.99 Regular Price: $
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    …Reverse Osmosis Systems Made in the USA, Mur-lok Linear Low-Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $9.99 Regular Price: $
    Choose Options

    …Reverse Osmosis Systems Made in the USA, Mur-lok Linear Low Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental…

    $9.99 Regular Price: $
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    …Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with white accents Specifications Volume - 3.96 Gallons / 15 Liters Dimensions - 3.94"L x 15.75"W…

    $199.99 Regular Price: $

    …Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with red accents Specifications Volume - 7.93 Gallons / 30 Liters Dimensions - 7.87"L x 15.75"W x…

    $249.99 Regular Price: $
    Out of Stock

    …Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with white accents Specifications Volume - 7.93 Gallons / 30 Liters Dimensions - 7.87"L x 15.75"W…

    $249.99 Regular Price: $
    Out of Stock

    …Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with white accents Specifications Volume - 15.85 Gallons / 60 Liters Dimensions - 11.81"L x…

    $399.99 Regular Price: $
    Out of Stock

    …Acrylic stem intake reaches bottom of container for adequate supplement turnover Recessed, flush lid Barb style hosing connection 1/4" John Guest fitting Modern black and clear finish with white accents Specifications Volume - 0.53 Gallons / 2 Liters Dimensions - 9.84"H x 4.92"W Connection…

    $89.99 Regular Price: $

    …Acrylic stem intake reaches bottom of container for adequate supplement turnover Recessed, flush lid Barb style hosing connection 1/4" John Guest fitting Modern black and clear finish with red accents Specifications Volume - 1.32 Gallons / 5 Liters Dimensions - 20.67"H x 4.92"W Connection…

    $119.99 Regular Price: $

    …Acrylic stem intake reaches bottom of container for adequate supplement turnover Recessed, flush lid Barb style hosing connection 1/4" John Guest fitting Modern black and clear finish with white accents Specifications Volume - 1.32 Gallons / 5 Liters Dimensions - 20.67"H x 4.92"W Connection…

    $119.99 Regular Price: $

    …fittings Compact, stylish design High-quality leak-resistant fittings and hosing Slow flow rate for maximum contact time with resin media 1/4" John Guest quick release connection fittings Specifications Dimensions - 13.58"L x 4.53"W Hmahli is an Australian family-owned business taking the industry…

    $319.99 Regular Price: $
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