Chemical Metering Pump Chemical Compatibility Ammonium Hydroxide Antifreeze Calcium Carbonate Sodium Hydroxide 20 Percent Sodium Hypochlorite 5 Percent Sulfuric Acid 10 Percent Sulfuric Acid 20 Percent Sulfuric Acid 30 Percent Water Control Programs Manual Control Diaphragm Material CSPE PTFE Viton Discharge Connection Size 1/2 in Discharge Connection Type Tube Fitting Material PVC Flow Rate (Maximum) 100 gpd Head Material PVC