TANK FLOAT GAUGE 5 ft Oil or Water. Comes with a 1.1/2 Back-Nut
TANK FLOAT GAUGE 5 ft Oil or Water. If there is no suitable thread insert on your tank, you can still fit as follows;. These float gauges are for oil or water storage tanks. The gauges give readings of 'Empty', '1/4', '1/2', '3/4' and 'Full'.