For low-pressure use with mechanical, compression-type fittings. The most chemical- and corrosion-resistant Nalgene tubing. Translucent and semi-rigid [60 Shore D (Approx. 99 Shore A)]. Excellent chemical resistance. Wide temperature range: -270°C to 260°C. Very low water absorption. Can be sterilized by autoclaving, gas, dry heat and disinfectants. Do not sterilize by radiation. Tubing sold in packs of 25 ft., cases of 50 ft and cases of 25 ft.