115VAC Electric Diaphragm Pump with reciprocating, spring driven configuration that maintains constant pressure regardless of load. Pump automatically goes neutral when the end of hose valve is shut off. Glass-reinforced polypropylene pump housing provides integrity and excellent material compatibility inside and out. Hytrel Diaphragms, Viton Elastomers and 2" bung adapter. Includes Telescoping Steel Suction Tube, 1"x12' Hose, and Manual Nozzle.