It is important to measure the pressure of the pool for safety and maximum efficiency of your pump for a clean pool. To do so, use this stainless steel gauge with a side mount. It is suitable for all types of heavy pumps. Product Features:. Black and White Back Mount Pressure Gauge. Pressure gauge can measure up to 60 PSI. Shows analog scale readings. Great for pumps and water systems. Recommended for both indoor or outdoor use only Dimensions: 2" high x 2.5" diameter. Material(s): metal/plastic