Whale In-Line Check Valve 1"-1 1/2" Stepped ConnectionIn Line Check Valve 1" 1 1 2" Stepped Connection All Whale bilge switches, non return valves, strainers and pipework fittings are designed and manufacturers with highest quality at heart. Combine these accessories with your whale bilge pump for a robust bilge system tailored to your vessel. LV1215 In line Check Valve 25mm 38mm (1" 1 1 2") Stepped ConnectionWARNING: This product can expose you to chemicals which are known to the State of California to