●MULTIPLE APPLICATIONS: Easily connect to outdoor pool cleaning systems, patio fixtures, RV lines, swimming pools, irrigation equipment, sand filters, hose taps, fish tanks and other water systems. ●Applications: General pressure gauges are suitable for measuring the pressure of liquids, vapors and gases without of explosion, non-crystallization, non-solidification, and non-corrosion of copper and copper alloys. ●Iron and aluminum alloy material: The water pressure test gauge is made of high-grade iron and aluminum alloy, which is sturdy, not easy to rust, and has a long service life. ●Accurate and Clear: The water pressure gauge has an accurate and sensitive pointer, clear sign scale, 0-200psi and 0-14bar ranges, easy to read. ●EASY TO INSTALL: This water pressure gauge adopts 3/4 inch female hose thread for easy installation and perfect fit, no leaks and water saving.