Duckbill Check Valve With Nut – 3/8 Inch – Pellethane

This is a 3/8 Inch Stenner Pellethane Duckbill Check Valve for all Stenner pumps excluding models with S4 prefix. It includes a Santoprene duckbill and nut. This chemical injection check valve also works on CAT Controller models CAT 1000, 2000, 4000, 5000 and HCC Automated Controllers with Stenner pumps.