ACR Refrigeration Tubing 1/2 Inch OD Soft Coil HVAC Repair Copper Tubing 1/2" OD X 0.445" ID X 10 Ft, 99.9% C12200 ASTM B280 Refrigeration HVAC Copper Tubing Aazon.co: Refrigeration Copper Tubing 3/8 OD X 50 FT, Refrigeration YuJingKey Copper Tubing 1/2" OD x 10 Ft, 99.9% C12200 ASTM B280 Copper Pipe, T2 Pure Copper Tube, Refrigeration ACR Tubing Seamless Soft Coil Round for HVAC System, Refrigerators, Industry, DIY. FLEXIBILITY: The inherent strength, hardness, and flexibility of copper tubing make it very easy to work with The final rinse consists of constantly replenishing R/O water, which eliminates the potential for latent staining often apparent in tubing cleaned in other process. ACR Tubing, Type L, 1/2 in Outside Dia, 10 ft Length, Straight, Seamless, Copper, Domestic YuJingKey Copper Tubing 1/2 OD x 10 Ft, 99., 9% C12200 ASTM B280 Refrigeration ACR Tubing Seamless Soft Coil Round T2 Pure Copper Tube for HVAC System, Refrigerators, Industry, DIY