TekTube 1/2 in. x 50 ft. PVC Schedule 40 Black Ultra Flexible Pipe 2202012050 - The Home Depot
Mini Copper Pipe Tubing Cutter - Adjustable Mini Tube Cutter for Copper Metal, Plastic, Brass, Thin Stainless Steel for (1/8 inch -7/8 inch)/ (3-22mm) OD Pipes) - Amazon.com