Purpose: The general pressure gauge is suitable for measuring the pressure of liquids, steam, and gases that do not explode, crystallize, solidify, or corrode copper and copper alloys. Material: Iron and aluminum alloy; metal shell, sturdy, high temperature resistant, shock resistant. Accurate and clear: The water pressure gauge pointer is accurate and sensitive, with a clear scale marking. Range: 0 to 200 psi and 0 to 14 bar, easy to read. Easy to install: This water pressure gauge features 3/4-inch internal NPT threads for easy installation, ensuring a secure connection, no leaks, and water conservation. Wide range of applications: Suitable for measuring the pressure of water, gas, and oil without clogging the pressure system or corroding copper alloy components. Ideal for use with pool filters. Material: Metal Color: As shown Package Contents: 1 x Pressure Gauge Note: Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3 cm.