Cook Mfg - Louvered Vent Cover - 5-5/8" Outer Diameter - Fits Into 4" Hole - LV1FWDP Yamaha-F90B-2020 One sensor will monitor up

One sensor will monitor up to 3 engines

Use for all inboard/outboard

Dip switch selectable screen configuration allows the display to show voltage bar graphs or the P12 Battery Charger summary screen

The Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand

this 500-foot spool gives you plenty of length for extended projects or future use

Cook Mfg - Louvered Vent Cover - 5-5/8" Outer Diameter - Fits Into 4" Hole - LV1FWDP Yamaha-F90B-2020 One sensor will monitor upDesigned with louvers to eliminate see thru look and deflect rain. Designed with a flange molded into part so raw edges of cut are hidden and protected. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.