-30 to 0 PSI Vacuum/Pressure Gauge - 1/4 Inch Bottom Mount - 2-1/2 Inch Face - Stainless Steel Case gallons-per-minute_325-349 The Backstroke Device has a

The Backstroke Device has a versatile design which allows the device to attach to nearly any starting block with either straps or anchors

The lettering is 3 inch and 1 inch

This fixed flow pump is rated to pump 85 gallons of chemicals per day at 25 PSI

The SkimSaver Lid'l corners are radius and the surface tapered smooth

G ring buoy with Emergency Use Only in red

-30 to 0 PSI Vacuum/Pressure Gauge - 1/4 Inch Bottom Mount - 2-1/2 Inch Face - Stainless Steel Case gallons-per-minute_325-349 The Backstroke Device has aThis is a combination pressure vacuum gauge with a 1 4 inch bottom mount, 2 1 2 inch face and stainless steel case. This swimming pool pressure gauge is designed to read from negative 30 to 0 PSI. The case is stainless steel and painted black. It has a glass lens with all brass internals. A swimming pool pressure gauge displays the exact pounds per inch (PSI) of your pool filter, which requires some pressure inside its tank to operate. When the filter