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    Mur-lok RO fittings are the only RO fittings that feature dual EPDM O-rings to ensure a straight leak free fit. These high quality American made fittings are constructed with FDA approved materials. We assemble our Reverse Osmosis units and Media Reactors virtually exclusively with Mur-lok fittings.

    $2.99

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper. Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $2.79

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper. Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $2.99

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $19.99

    …Clip System Professional Plumbing Appearance Includes Mounting Hardware   Compatible with 1/4" Mur-Lok Straight Union Fittings   What's Included? 2x Mur-Lok Straight Union Fitting Mounting Brackets  4x Mounting Screws   Note - Straight Union Fittings Not Included - Mur-Lok Straight Union Fittings

    $4.99

    …taking just a couple days, and as long as the UV is running, the water will stay crystal clear! Every AquaUV Sterilizer includes quick-connect unions on the input and output allowing you to quickly remove the entire system from your aquariums plumbing for maintenance, allowing you to mount the…

    $307.31

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $62.99

    …a wide range of bioloads.  Super safe dual drain system No unions or connections to disconnect for maintenance Includes textured mesh screen Made of strong 1/4" polycarbonate Virtually zero light spill Easy to clean spray bar   No Unions or Bulkhead to Disconnect for Maintenance Easily the coolest…

    $1,299.00

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper. Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $1.59

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $23.99

    …Warranty: 2 Years Rotor Warranty: 1 year   Whats in the Box VarioS-2 Controllable Pump VarioS Controller Power Supply Float Switch Input Union Output Union 1/2" - 3/4" Stepped Barb Protective Intake Screen   Note: VarioS pumps are not pressure rated, and therefore not recommend for high head…

    $214.99

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper. Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $2.29

    …Diameter - 6" Chamber Height - 11.5" Zeolite Capacity - 4L Input/Output Connections - 3/4" Barbed Unions Power Consumption - 3W @ 120VAC   What's Included? 1x Vibe Reactor 1x Vibe Motor Assembly 2x 3/4" Union Barbs 1x Ball Valve 4 FT 3/4" Vinyl Tubing 1x Mesh Disk   Avast Marine Vibe Owners Manual

    $429.99

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper. Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $2.39

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper. Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $3.79

    …taking just a couple days, and as long as the UV is running, the water will stay crystal clear! Every AquaUV Sterilizer includes quick-connect unions on the input and output allowing you to quickly remove the entire system from your aquariums plumbing for maintenance, allowing you to mount the…

    $229.71

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper. Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt…

    Starting at:
    $3.49

    …pump off when the float is activated. The VarioS controller includes a waterproof 3-conductor union that connects to the pump creating a safe and detachable connection.   Specs: Input: 1.25" Male Union Thread Output: 32mm/1.25" (barb/pvc coupling) Max Flow: 2700 GPH Max Head: 18 FT Wattage: 98W…

    $414.99

    BRS Recommended for tanks up to: Heavy Bioload (Most Common) - 100 Gallons Medium Bioload - 150 Gallons Light Bioload - 200 gallons External skimmer powered by Aquatrance 2000s pump with an improved venturi design and pinwheel impeller. Built with high quality acrylic. Wedge pipe output allows for…

    $364.99

    …the pump off when the float is activated. The VarioS controller includes a waterproof 3-conductor union that connects to the pump creating a safe and detachable connection.   Specs: Input: 1.25" Male Union Thread Output: 32mm/1" Slip PVC or 3/4" Barb Max Flow: 1050 GPH Max Head: 14.7 FT Wattage: 40W…

    $284.99

    …a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this. Plan your plumbing on paper   Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible.     When in…

    Starting at:
    $1.99

    …a world of control for any apex model! Flow Monitoring Kit Includes: FMM Module 1" FS-100 Flow Sensor 1/2" FS-50 Flow Sensor (Two Included) Two 1" Unions Four 1/2" Adapters   The FMM (Fluid Monitoring Module) is a multi-purpose module that, with the help of various accessories, enables your Apex to…

    $199.95

    …filtration systems such as the protein skimmer, an optional chiller, and/or reactors. The connection between the aquarium and sump is via standard union connectors, so no plumbing is required. The MAX S-System is supplied with the main system pump, Reefer Skimmer 900, mechanical and carbon…

    Starting at:
    $4,499.00

    …feature dual EPDM O-rings to ensure a straight leak free fit. These high quality American made fittings are constructed with FDA approved materials. Mur-lok Reducing Union 1/2” x 3/8" 1/2" Quick Connect x 3/8" Quick Connect Polypropylene construction Dual EPDM O-rings NSF Standard 58 Certified  

    $3.29

    SPECIFICATIONS: Kynar barb union connector, 3/16" barb Tubing ID: 3/16" Fitting Material: Kynar NPT Connection: None Kynar barb union connector, 1/4" Barb Tubing ID: 1/4" Fitting Material: Kynar NPT Connection: None Kynar barb union connector, 3/8" barb Tubing ID: 3/8" Fitting Material: Kynar NPT…

    Starting at:
    $1.99

    …Standard 58 Certified Sizes Available: Tee Union 1/4" Push Connect x 1/4" Push Connect x 1/4" Push Connect Tee Union 3/8" Push Connect x 3/8" Push Connect x 3/8" Push Connect Tee Union 1/2" Push Connect x 1/2" Push Connect x 1/2" Push Connect Tee Union 1/2" Push Connect x 1/2" Push Connect x 1/2"…

    Starting at:
    $3.49

    …are constructed with FDA approved materials. Push Connect x Push Connect Polypropylene construction Dual EPDM O-rings NSF Standard 58 Certified White or Black Black 1/2" x 1/2" push connect 90° replacement union for the Deluxe BRS Carbon and GFO Reactor. These are Mur-lok dual EPDM O-ring fittings.

    Starting at:
    $2.99

    Ozone Resistant Kynar Reducing Barb Union used to connect different sized tubing. Using ozone resistant materials is absolutely critical when working with ozone. Materials like nylon will melt in a matter of days when it comes in contact with high concentrations of ozone. Inexpensive ozone resistant…

    $2.39

    …Elbow Union Fitting Mounting Clips are the perfect accessory for anyone that wants to keep their 1/4" RO Tubing looking clean. Each fitting will hold a single Mur-Lok Elbow Push-Connect Union and can be securely mounted to a wall or another rigid surface. The mounting clip will grasp the union while…

    $4.99

    …return pump!   Specifications: Dimensions - 9.5" L x 5.15" W x 9.5" H Max Flow - 1980 GPH Max Head - 13 FT Power Consumption - 80W @ 120VAC Inlet - 40mm or 1 1/2" (mm or inch) Outlet - 32mm / 1 1/4" (mm or inch)   What's Included? 1x L75 Circulation Pump  1x 40mm Input Union 1x 32mm Output Union

    $429.99 $343.99

    …pump off when the float is activated. The VarioS controller includes a waterproof 3-conductor union that connects to the pump creating a safe and detachable connection.   Specs: Input: 1.25" Male Union Thread Output: 32mm/1.25" (barb/pvc coupling) Max Flow: 1720 GPH Max Head: 16 FT Wattage: 70W…

    $324.99