Durable & Leak-Proof: Equipped with an aluminum alloy pump body and triple-layer rubber diaphragms for wear resistance. This air operated diaphragm pump features a full-bolt structure for a secure seal. Built for long-term use, it runs dry without damage Powerful Pneumatic Performance: Delivers 35 GPM max flow rate, 114 PSI max pressure, and 262 ft max head lift. This air diaphragm pump quickly and efficiently transfers liquids to target tanks in minutes without worrying pressure Standard Port Size: Designed with industry-standard ports that integrate seamlessly with your existing piping and fittings. Our air operated transfer pump ensures stable airflow, enhanced pneumatic performance, and reliable operation Versatile Liquid Handling: Effectively transfers waste oil, hydraulic oil, gasoline, diesel, detergents, and even beverages. This pneumatic transfer pump is not suitable for corrosive acids/alkalis or liquids above 140℉/60℃ Wide-Ranging Applications: This waste oil pump is ideal for petroleum, metallurgy, printing, water treatment, and automotive industries. Contractors can count on it for asphalt, paints, and other viscous fluids—or build a home rainwater collection system