The GS-Plus spray heads include "flip top" dust covers

solid plastic never needs painting

the hoods on the dispenser offer protection for the toilet tissue to cut down on wasted supplies

Bradley 113-1125 Pipe-3/8"NPT X 18-1/2"-Brass- Replacement Part

so you can move it to where it is needed

Hayward Threaded Pressure Reducing Pressure Reducing Control Valve, 3/8 in Pipe Size - PBV2037TPE1 Capacity 32 oz The GS-Plus spray heads includeIdeal 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.