The Stenner Quickpro High Pressure Santoprene Pump Head with #2 Tube makes changing the pump tube even easy. The cover simply unclips from the housing then doubles as the tool used to collapse the roller assembly. The modular design of the Stenner Classic Series pumps makes replacing components quick and easy. Includes Santoprene pump tube, duckbill check-valve, and 1/4" ferrules. Refer to the chemical compatibility guide to determine if Santoprene tubes are correct for your application. This pump head works with Stenner Classic Series 45 and 85, QC Part #GR994.