🚀 Pump Up Your Efficiency with the Ultimate Waste Oil Transfer Solution! Double diaphragm technology with abrasion and chemical resistance for long-lasting reliability. Crafted from stainless steel and aluminum alloy for durability and leak-free performance. Experience a powerful 50 GPM flow rate that keeps your operations running smoothly. Ideal for waste oil transfer and handling liquids with particles, ensuring versatility in your tasks. Pneumatic design with a 1/4 inch air inlet for easy setup and maintenance. 50 GPM max flow 1.5 inch ports 100 PSI max pressure The FVMOTO Air Operated Double Diaphragm Pump QBK-40 is engineered for high-performance waste oil transfer, featuring a robust stainless steel body, a maximum flow rate of 50 GPM, and advanced double diaphragm technology for superior durability and efficiency.