Materials: of plastic and brass, this sand cyr pressure gauge is sturdy, durable and has a long service life.Yellow Words: The yellow words are clearly marked on the front, so you can see it at a glance when you check it.Easy Installation: Easy to install, easy to operate, easy to use, and can directly replace old and damaged sand cyr pressure gauges.High Reliability: High reliability, it is a practical accessory for swimming pools, connected ing to the applicable thread 1/4".Wide Uses: Wide range of uses, this pressure gauge can be in swimming pool , spas and .1 xSand Cyr Pressure Gauge