Whale Gulper Grouper Mk3 Fishbox/Waste Pump w/90 Degree Ports - 12V [BP4772] Brand_Scanstrut and high frequency versions provide

and high frequency versions provide maximum flexibility for the choice of frequencies

The amount of torque required to rotate the swivel is set by adjusting the pressure on two nylon drag washers with a half inch stainless steel lock nut at the bottom of the rod holder

Holds either 4 or 5 lug wheels and fits all trailers frames up to 3" wide by 4" high

and finished to match Galaxy antennas

High performance dual-channel AIS receiver for use with AIS compatible PC navigation software

Whale Gulper Grouper Mk3 Fishbox/Waste Pump w/90 Degree Ports - 12V [BP4772] Brand_Scanstrut and high frequency versions provideGulper Grouper Mk3 Fishbox Waste Pump w 90 Ports 12V Non clog electric Waste pumps without filters, built on more than a decade of market leading valve technology. Proven Diaphragm Technology Whale Gulper waste products have been at the forefront of marketing leading waste technology for over 2 decades. Rather than impeller motors, Gulper pumps contain reciprocating heavy duty diaphragms and specialized non choke valves to handle grey, bilge, black