Want to measure the pressure of the pool to be safe enough? Then make a try with this stainless steel gauge with a back mount to measure the pressure. Back mount pressure gauge can measure up to 30 PSI. Features:. Features a stainless steel cover for lasting durability. Great for pumps and water systems. Clear glass window Dimensions: 1.75"H x 2"W x 2"L. Material(s): metal/plastic