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The Plumber's Choice 1/2 in. x 300 ft. Red PEX-B Tubing Oxygen Barrier Radiant Heating Pipe POBR12300NW - The Home Depot
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Amazon.com: SharkBite 3/4 Inch x 300 Feet Orange PEX Pipe, Oxygen Barrier Flexible Water Tubing for Radiant Heating, U870O300 : Everything Else
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