Home Master Reverse Osmosis Storage Tank 0-20 PSI Pressure Gauge
Home Master Reverse Osmosis Storage Tank Pressure Gauge
Air Pressure Gauge 0-20 PSI
Simplify your annual RO tank pressure test. Durable and accurate, this pocket air pressure gauge reads from 0-20 psi. Home Master standard 3.2 gallon RO storage tanks require 7.5psi of air pressure.