Saniforce Air Operated Double Diaphragm Pumps.
These air-operated D/D pump has one of the best, most durable, lube-free air valves in the industry.
Ideal for applications requiring high flow rates and portability, Graco's dependable diaphragm pumps offer a wide range of food-grade elastomers including Santoprene, PTFE and overmoolded EPDM/PTFE