Aquavend will not support microbiological growth. WRAS approved construction. Certification available on request or downloadable from www.copely.com. Cadmium and silicone-free. Manufactured using Copelys unique ultra-hygienic heat bonding technology eradicating the need for chemicals. High quality PVC outer extruded with a brilliant white clinical finish. TPE mirror smooth inner for improved flow. Odourless and taint free specialist materials. Good flexibility and durability. Excellent resistance to abrasion. Specially selected high tensile Polyester fiber reinforcement used at the optimum braid angle of 54 44(54.73) creates an effectively balanced pressure hose. Good kink resistance across a wide temperature range. Independently tested in accordance with BS 6920. Laser printed for clarity and cleanliness. RoHS 3 compliant. Internal Dia. 19mm x External Dia. 26mm