JOHN GUEST 12MM SPEEDFIT JG PUSHFIT 12MM X 1/2"BSP FEMALE CM451214FS SHURFLO
Part No:CM451214FS WS1232. This fits Shurflo Pump inlet and outlet and also the thread on the filters. 12MM X 1/2"BSP FEMALE ADAPTOR. 12mm Genuine John Guest Speed Fit Push Fit.