Seachoice 90 Degree Stainless Steel Covered Thru-Hull Model:50-18581 By selecting the right tach

Seachoice 90 Degree Stainless Steel Covered Thru Hull Model:50 18581 By selecting the right tach By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution It's corrosion resistant construction and built in backflow preventer protect your system Its 90 degree configuration is specifically designed for installations where space is limited or where specific hose routing is required to maintain efficient drainage Durable Construction: Molded from high quality polypropylene with glass fiber reinforcement for superior structural integrity