Maretron BHW100 Bilge High Water Detector [BHW100] Marine Plumbing & Ventilation | Strainers & Baskets This 1" diameter expension mast

This 1" diameter expension mast can be used to increase height of an antenna and thus improve effective range

Deluxe All-Stainless Single Trumpet Horn - 24V

Garmin GMR18/GMR18HD/18Xhd/18HD+/Fantom18/GMR40

Size: Household Size

and mounts on a 2 to 20 degree transom

Maretron BHW100 Bilge High Water Detector [BHW100] Marine Plumbing & Ventilation | Strainers & Baskets This 1" diameter expension mastBilge High Water Detector Part #: BHW100 Used with SIM100 Switch Indicator Module to detect high bilge water. WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings. ca. gov. Owner's Manual (pdf)