Attwood LV1219B Whale Non-Return Valve. See below for additional information.
- Simple way to maintain prime in a suction or discharge line
- Stops Backflow when pump is turned off
- Designed to fit in-line
- Suitable for 3/4" ID Input Hose to 3/4" or 1" Discharge Hose
- Suitable for use with manual or electric pumps
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