Oxygen O2 Barrier PEX Tubing 1/2 inch X 300 FT Pex Tube Coil for in Floor Heat | eBay
Amazon.com: ZELCAN PEX Water Pipe PEX Tubing 1/2 Inch, 2 Rolls of 300ft PEX-B Coil Hose, Non Oxygen Barrier PEX Water Tubes for Water Line & RV Sewer Hose, PEX Radiant Heat
The Plumber's Choice Pex Tubing Plumbing Kit Crimper Tool 1/2 in. and 3/4 in. Elbow Stainless Steel 1/2 in. and 3/4 in. Cinch and Half Clamp KP1234 - The Home Depot
Sioux Chief PowerPEX® 1/2" X 100' Blue PEX Tubing at Menards®