Polyurethane-based tubes are highly popular in standard applications primarily due to their excellent flexibility.
Self Priming Sewage Pump -Gorman-Rupp T3A61S-B
The Gorman-Rupp T3A61S-B self priming centrifugal trash pump has 50mm suction and discharge ports and is capable of flows to 25 I/s and heads to 32m.