The E90275 Walchem Foot Valve is obsolete and is replaced by the FSFCN-8U that has a new style of tubing connection. For reference, here are the specifications of the old model:
Specifications
Type: 1/2″ OD Tube Connection
Materials: PVDF/Ceramic/PCTFE/PTFE
Weight: 0.1 lbs
Go to our FSFCN-8U page to view and/or purchase the new model.