Ammonia Gas Pressure Gauge, 60 PSI nutrients The drying process is a

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Ammonia Gas Pressure Gauge, 60 PSI nutrients The drying process is aZenport Zen Tek Instruments ammonia filled 0 60 psi pressure gauge is designed to measure pressures in systems charged with NH3 Ammonia. Constructed with a 2. 5 inch diameter stainless steel case and bezel, PC window and stainless steel 1 4 National Pipe Thread bottom connection the internal components and connections are all stainless steel and will not corrode. This quality gauge features grade A accuracy (1. 6%) and features a high visibility dial