ATO 3/8" Air Operated Double Diaphragm Pump – 5 GPM, Up to 100 PSI, Diaphragm Material Butyronitrile ,Medium Contact Material Aluminum Alloy

High Flow & Pressure: Delivers up to 5 GPM flow at working pressure up to 100 PSI. Flexible Material Options: Body choices: Aluminum, Cast Iron, Stainless Steel, or Non-Metallic to suit different media. Diaphragm Choices: Default butyronitrile; optional PTFE diaphragm for harsh chemicals. Self-Priming & Versatile: Able to handle liquids of varying viscosity, corrosive fluids, slurries, even paint.