Diaphragm PumpMade of corrosion-proof marine plastic. Two position stainless steel handle and adjustable (Octagonal) frame permits up to 16 variations in stroke direction. Mounts vertically on bulkhead or horizontally on deck without the need for special brackets. Uses Beckson FH-1-1/2 or VCS-1-1/2 hose.Dimensions with handle removed: Length: 9″ (23 cm) Width: 6-1/4″ (16 cm) Height: 4-1/2″ (12 cm) Pumps: 16 gal. minute (60 L) (1 L per stroke)