Whale Tiptoe Pump MK4 self priming foot pump.

Suitable for fresh and saltwater.
Designed for neat, thru-floor mount.
Plunger locks down flush with the floor when not in use.
Comfortable for bare foot use.
Easy, smooth action.
Can be used to prime Whale-In-Line booster pumps.

Hose size: 1/2"
Service kit: AK1304
Maximum priming height: 7 ft.
Made of acetal, nylon polypropylene neoprene, nitrile rubber, phosphor bronze and stainless steel.