TH Marine Utility Grommet - 4 Inch OD Winterizing | Winter Covers Charge voltage Float (gel/AGM batteries):

Charge voltage Float (gel/AGM batteries): 27

the Firefly® PRO WATERBUG SOLAS boasts maximum operation life in the harshest of conditions

A neat and clean way to quickly evacuate waste tanks

9mm(1-1/4")

The NMEA 2000® Liquid Level Sensor overcomes a laundry list of issues that plague traditional fluid level monitoring solutions

TH Marine Utility Grommet - 4 Inch OD Winterizing | Winter Covers Charge voltage Float (gel/AGM batteries):Made of tough, flexible vinyl. It is designed for multiple uses in boats, such as cable pass thru, landing net holder, fishing rod support or protector, stern light holder or any number of other uses. Black. Sold by pair Max. Hole Size: 3