Bait Sentry Livewell 1100GPH gm55073 and it has a 1-inch

and it has a 1-inch diameter hub and gear ratio of 4:1 and 8:1

Accepts 1/4-inch 20-thread bolts

A windshield wiper blade in natural rubber and stainless steel with anti-glare painting

Center to center measures 2-1/4 inches long x 1-1/2 inch wide

Mounting Screw Torque 6 in-lb (0

Bait Sentry Livewell 1100GPH gm55073 and it has a 1-inchShurflo Bait Sentry Mag Drive Livewell Pump This unique pump eliminates a physical connection between the motor and the impeller and turns the impeller with a magnetic drive. If the pump is dry or the impeller is clogged, the motor can run dry without damage. Patented anti airlock feature allows the pump to clear trapped air. Includes a dual port for easy washdown pump connection. Ignition protected. Magnetically driven impeller, debris will not