Hayward Threaded Pressure Reducing Pressure Reducing Control Valve, 1/2 in Pipe Size - PBV1050TPE1 Frequency Lavatory Sinks The Ultra VaporLock Closure is

The Ultra VaporLock Closure is specifically designed to trap those vapors and eliminate or significantly reduce fugitive emissions

but shows less fingerprints that shiny

Insert Style Replacement Filter For P/N 9761

Eyewash streams provide Zero Vertical Velocity

Speakman SEF-1850-8 Eyesaver Eye Wash Faucet Combination Single Post Laboratory Faucet with 8in Spout

Hayward Threaded Pressure Reducing Pressure Reducing Control Valve, 1/2 in Pipe Size - PBV1050TPE1 Frequency Lavatory Sinks The Ultra VaporLock Closure isIdeal for chemical feed systems, this HAYWARD pressure reducing control valve can apply back pressure to a metering pump to help prevent siphoning and eliminate variable dosage rates due to a fluctuating downstream pressure. When the valves preset pressure is exceeded (model has an adjustment screw that you can adjust in the field), the diaphragm moves up and chemical flows through the valve to the injection point.