Transparent Rigid and Flexible Schedule 80 PVC Pipe • Max. temp.: 140°F 8-ft. lengthsAllow visual monitoring of fluid levels and flow. Flexible pipe can make 90° turns with reduced risk of backflow, backpressure, and overheating. Also helps prevent misalignment and creates less friction in fluid handling.NSF-51 Listed; meet ASTM P.1784, NSI 14-14, and FDA Regulations 175.300, 178.2650, and 178.3790.