Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP] Trailering | Winch Straps & Cables A barometric altimeter helps you

A barometric altimeter helps you accurately monitor ascent and descent and see short-term trends in air pressure

forged aluminum for strength and durability

Ray91 is equipped with a powerful 25-watt transmitter and commercial grade electronics for long life and superior performance

Want to purchase the control box and the lights as a complete kit

Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA [035006ADPP] Trailering | Winch Straps & Cables A barometric altimeter helps youPerko 1 1 8" Thru Hull Connection f use with Hose Bronze Flange is machined to fit and grooved to retain bedding compound neck is threaded to approximately 3 16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versons Regular Length Fits maximum hull thickness up to 2 inches Short Length For thin hull sections up to 5 8 inches maximum Regular Length Plain Bronze Technical Information: Hose Size Inches: 1 1 8 Mounting Hole