1、Usages: The general pressure gauge is suitable for measuring the pressure of liquid, steam and gas without explosion risk, without crystallization, without solidification and without corrosion of copper and copper alloys. 2、Iron and Aluminum Alloy Material: The water pressure test gauge is made of premium iron and aluminum alloy, sturdy and not easy to rust, long service life. 3、Accurate and Clear: The water pressure gauge has a precise and sensitive pointer, clear sign scale and ranges of 0 to 200psi and 0 to 14bar, easy to read. 4、Easy to Install: This water pressure gauge adopts 3/4 inch female hose thread, simple to install and perfectly fit with no leakage, water saving. 5、Multiple Applications: Easy connection to outdoor pool cleaning systems, Patio fixtures, RV lines, swimming pools, irrigation equipment, sand filters, hose taps, aquariums and any other water system.