Amazon.com: Pexflow PXKT-RB50034 PEX Potable Water Tubing Combo Non-Barrier Pipe for Residential or Commercial, 3/4 Inch x 500 Feet (1 Red + 1 Blue) : Everything Else
MDPE Water Supply Barrier Pipe - 25mm x 50mtr
The Plumber's Choice 1/2 in. x 1000 ft. Blue Polyethylene Tubing PEX A Non-Barrier Pipe and Tubing for Potable Water A-PFW-B121000 - The Home Depot