New SPX0710MA Sight Glass for Hayward Multipleport Ground Filter Valve
SPX0710MA Sight Glass Fits for Hayward Vari-Flo Valves 1pack sight glass,include gasket. Material: plastic Replace old broken or dirty sight glasses. Thread installation,you can put some tape on it to prevent leak. The sediment in the water can be viewed through the sight glass, and the water condition can be checked.