---
product_id: 35175958
title: "BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt"
brand: "whale"
price: "€ 357.69"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/35175958-bp4772-gulper-grouper-mk-3-fishbox-discharge-pump-evacuation-pump
store_origin: NL
region: Netherlands
---

# 4.22 GPM flow rate 12V DC power Corrosion-resistant materials BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt

**Brand:** whale
**Price:** € 357.69
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Fishing Game with Effortless Waste Management!

## Quick Answers

- **What is this?** BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt by whale
- **How much does it cost?** € 357.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/35175958-bp4772-gulper-grouper-mk-3-fishbox-discharge-pump-evacuation-pump)

## Best For

- whale enthusiasts

## Why This Product

- Trusted whale brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Versatile:** Easily retrofit with existing macerator pumps in tight spaces.
- • **No Clogs, No Hassles:** Say goodbye to filter clogs and impeller jams with our innovative design.
- • **Reliable Performance:** Non-choke valves ensure consistent, clog-free pumping every time.
- • **Durable & Long-lasting:** Built with rugged materials for multiple well applications.
- • **Effortless Waste Evacuation:** Experience the ultimate in fishbox, livewell, and baitwell waste management.

## Overview

The Gulper Grouper Pump is a high-performance, 12-volt DC discharge pump designed for efficient waste evacuation from fishboxes, livewells, and baitwells. With a flow rate of 4.22 gallons per minute and a clog-free design, this pump is built to last with corrosion-resistant materials and a proven track record of reliability.

## Description

BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt

## Features

- Delivers the most versatile and efficient evacuation of waste from the fishbox, livewell, and baitwell
- Proven design and technology are superior to macerator pumps; no filter to clog, no impeller to jam up, and no motor burn-out
- Features new 90-degree post orientation so this pump can be retrofit in line with existing macerator pumps in compact areas
- Non-choke valves in pump head ensure reliable, clog-free pumping, all done efficiently with low power draw
- Rugged, durable pump can be used in multiple wells
- 12-volt DC, 10-amp pump uses 1 inch or 1 ½ inch hose connections and has a 4.22 gallons per minute flow rate
- Corrosion-resistant Stainless Steel and brass fasteners

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Style Name | Mk 3 |
| Color | Black/Blue |
| Voltage | 12 Volts |
| Flow Rate | 4.22 Gallons Per Minute |
| Power Source | Ac/dc |
| EU Spare Part Availability Duration | 5 Years |

## Images

![BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt - Image 1](https://m.media-amazon.com/images/I/618kK-g+yeL.jpg)
![BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt - Image 2](https://m.media-amazon.com/images/I/61OvS0RBwsL.jpg)
![BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt - Image 3](https://m.media-amazon.com/images/I/61XMtzJ0jCL.jpg)
![BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt - Image 4](https://m.media-amazon.com/images/I/71N91mJreoL.jpg)
![BP4772 Gulper Grouper Mk 3 Fishbox Discharge Pump, Evacuation Pump for Fishbox, Livewell or Baitwell, 12V DC, 10 Amps, 1 Inch/1 ½ Inch Hose Connections, 4.22 GPM Flow Rate, Black/Blue, 12-volt - Image 5](https://m.media-amazon.com/images/I/713Tmp-xAgL.jpg)

## Available Options

This product comes in different **Size, Style** options.

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**Shop now:** [https://www.desertcart.nl/products/35175958-bp4772-gulper-grouper-mk-3-fishbox-discharge-pump-evacuation-pump](https://www.desertcart.nl/products/35175958-bp4772-gulper-grouper-mk-3-fishbox-discharge-pump-evacuation-pump)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-26*