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5/16" Tubing and Fittings

Our 5/16" plastic tubing is made at our corporate headquarters in Swanton, Vermont, giving us full control over quality of the pipe. Often called laterals,  5/16" plastic tubing is used to stretch from tree to tree, optimally connecting 1-5 taps, then entering a mainline.

Try to keep lateral lines less than 100 feet long, with as much slope as possible. Remember to "STRIVE FOR 5": 5 taps or less per lateral line, and 5% slope or greater.
  • Dead End Tee Right Dead End Tee Left

    Barbed Dead End Tees - 5/16"

    Leader 5/16 Dead End Tees have a special, ultra aggressive barb design so that the 5/16 lateral line plastic tubing locks on securely, to eliminate leaks.   The fitting is molded to be strong, and will last for years of permanent installation in...

    $0.29
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  • Barbed End Y Plastic Tubing Fitting

    Barbed End Y Plastic Tubing Fitting - 5/16"

    This end Y is designed to be used at the end of a 5/16" lateral line in a maple sap tubing system, on the maple tree furthest away from the mainline.   A length of tubing is wrapped around the back of the maple tree and then connected to the outer...

    $0.60
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  • 5/16 Tee with Plug 5/16 Tee with Cup

    Leader Barbed Plastic Tees - 5/16"

    Leader Barbed 5/16 Tees have a special, ultra-aggressive barb design that locks the 5/16 lateral line tubing on securely, so as to eliminate leaks. The fitting is molded to be strong and durable, to last for years as a permanent installation in your...

    $0.29
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  • Leader In-line 4-way Plastic Mainline Entrance

    Bring four lateral lines into your mainline with this plastic 4-way mainline entrance.   Also known as 4-way mainline tees, this fitting comes in three sizes to fit 1/2", 3/4", and 1" plastic mainline tubing. Has hose barbs on both ends to install...

    $1.67 - $2.70
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  • Leader Max Flow 50

    New tubing blend with superior seal strength for the greatest hold on fittings. Enhanced flexibility and retraction memory maintains diameter and durability in the harsh winter conditions. This can be used as lateral line or drop line applications. ...

    $65.00
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  • Barbed straight connector for 5/16" tubing

    Leader Plastic Straight Connector - 5/16"

    This barbed straight connector is designed for splicing 5/16" plastic tubing together during repairs of a maple sap tubing system. It features Leader unique barb design that maximizes the holding power of the fitting in order to eliminate leaks.

    $0.32
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  • Plastic Lateral Line Tubing Support - 5/16"

    This plastic tubing support is designed to be attached to a post or tree (using the integrated nail-hole), in order to help support lateral line sags, or hold up long stretches of 5/16" lateral line tubing where the natural tension is not sufficient.

    $0.29
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  • Star style mainline entrance fittings connects 4 lateral tubing lines into a single port in the plastic mainline. Base tee is designed to be cut into the plastic mainline anywhere multiple entrances are needed.

    Plastic Mainline Entrance Fittings

    These star style mainline entrance fittings allow syrup producers to bring multiple 5/16" lateral tubing lines into a single port in the plastic mainline tubing or black plastic water pipe. The star fitting has a 1/2" male thread on the bottom to be...

    $1.73 - $8.10
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  • Quick Seal Mainline Entrance Fitting Quick Seal Mainline Entrance Fitting

    Quick Seal Mainline Entrance Fitting

    The Quick Seal Mainline Entrance Fitting is the first mainline entrance fitting actually designed to fit polyethylene tubing. And it has the flexibility to fit around tubing that is not perfectly round.   So simple to install: just drill a hole in...

    $2.45 - $2.70
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