Whale Gulper Grouper fishbox pump BP4572 is the non-clog no-filter waste pump built on more than a decade of market leading Whale pump technology. The Gulper Grouper will replace your macerator with the ultimate fishbox waste pump the non-choke fishbox waste box is suitable for standard 25mm (1") or 38mm (1-1/2") hose connections.

Gulper Grouper Mk1 Fishbox, Livewell and Baitwell waste pump with bronze gearwheel. The fishbox discharge pump can transfer up to 6.75 US gallons per minute at open flow. The multi-directional head position on this Whale fishbox evacuation pump allows for flexible installations.

- Diaphragm pump: No impeller to clog or burn

- Non-choke valves

- Can run dry without damage

- Up to 6.75 US gals per minute at open flow

- Multi-directional head position

- Low amp draw