Diaphragm pumps handle water and water-like liquids and sludge. Self priming with 12 ft. suction lift and 12 ft. head. 10 gpm model (9 strokes/gal.); 12 gpm model (7 strokes/gal.); 25 gpm model (3 strokes/gal). Reinforced Buna-N diaphragm and flapper valve. Tough anodized aluminum handle. Foot valves available to keep pump fully primed with suction lift from 12' to 20'. Accessories include wire reinforced vinyl hose, stainless screw operated band clamps. 18-8 S.S. fasteners. #89011 features FDA standard components (including silicone diaphragm and white Buna-N flapper valves); ideal for food processing, biomedical and pharmaceutical applications. Gray opaque hose standard length is 50'. Hose is priced per foot, sold in 10' minimum lengths only. Max pressure is 20 PSI.