Perko Flush Pro Valve Kit - 1-1/4" [0457DP7] Anchoring & Docking | Anchors The ingeniously designed rope/chain gypsy

The ingeniously designed rope/chain gypsy (chainwheel) is able to accommodate a wide range of chain pitch differences within the specified chain size diameters suitable for use with the RC8 Series

Maximum Pipe Size Inches: 1-1/4

If you are networking two fish finders from the above list together

RAM 1/4" NPT Female Threaded Hole Base w/Post & 2 1" Balls

Perko Flush Pro Valve Kit - 1-1/4" [0457DP7] Anchoring & Docking | Anchors The ingeniously designed rope/chain gypsyFlush Pro Valve Kit 1 1 4" Finally! Freshwater flushing of your inboard is as simple as connecting a garden hose. Features: Polymer Stainless Steel Spring Flush your boat engine safely and easily Transparent body allows for visual inspection of water flow Durable check valve system activated by water pressure from a garden hose Check valve automatically shuts off hull intake when water pressure is applied Adapter supplied with Flush Pro make