High Quality, None stain, XSPC soft and flexible EPDM tubing. Black with no powder additives. Specification: - 3/8? (10mm) Inner Diameter - 1/2? (13mm) Outer Diameter - Stain Resistant - Non UV - Max Temperature 90ºC - Min Temperature -32ºC - Compatible with all coolants - Designed for use with 3/8" Barbs and 3/8" - 1/2" (13/10mm) Compression Fittings Model: 5060596651302