SIZE: 2-1/2"dial size, 3/4"NPT solid brass gate valve,3/4" hose male ,compatible with all us water sources.
DESIGN: you can find the static water pressure, gallons and temperature per minute when installing sprinkler systems.
USE: Valve open is flow rate, valve closed is pressure. And,you can then add an adapter to another hose or whatever you'd like
APPLICAION: The test gauge can be used on measuring and controling water pressure, flow rate and temperature at the same time, which more convinence and save your expensive time.
Left: flow test gauge 0-13 GPM Right: water pressure gauge 0-160psi Temperature:30-250 deg F