The 60 PSI bottom mount pressure gauge is an essential accessory for any swimming pool filter and pump system. This pressure gauge accurately measures the pressure within your pool filter and pump allowing you to easily monitor the performance of your system and make necessary adjustments. Product Features: Pressure gauge. Rigid construction. Measures up to 60 pounds per square inch. Bottom mount and fits most filters and pumps. Dimensions: 2.75 H x 2 W x 1.25 D. Material(s): plastic/metal