Frensch F-21: Surface Mount 165mm Flat Dome, White IP67 | Cw (Red Night Light), Touch Switch, Screw Mount ESPBATSWI3 ensuring that engine start batteries

ensuring that engine start batteries are kept fully charged

Save on antifreeze when you winterize with this easily-installed water heater by-pass kit

Supplied pre-cut with a 91mm diameter hole to accept all major brands of standard sized instrument heads

Meets ABYC-USCG requirements for both sail and powerboat designation 2nm

Operates on 12V Battery

Frensch F-21: Surface Mount 165mm Flat Dome, White IP67 | Cw (Red Night Light), Touch Switch, Screw Mount ESPBATSWI3 ensuring that engine start batteriesF 21: Surface Mount Flat 165MM LED Dome Light, Screw Mount, Cool White with Red Night Light, Touch Switch, White Body, IP67 The F 21 is a very flat, surface mounted LED spot for the transportation and marine industry. Its low height makes it particularly suitable for areas with reduced ceiling height, such as commercial vehicles, refrigerated vehicles, engine rooms, and pilot houses. The F 21 is a splash proof in accordance with IP67.