Perko Chromalex Cowl Vent - 3" Duct - Chrome Plated Zinc [1312DP0CHR] Multi Purpose Drains Leg Length: 2-5/8" per barb

Leg Length: 2-5/8" per barb (allows double clamping)

Actual Base Width: 2-5/16"

Its adjustable length can be easily trimmed to fit hull thicknesses up to 2-15/16"

Incorporates a proprietary Electronic Sensing technology to detect bilge water levels and trigger pump activation and has been engineered to operate in any bilge water mixture consistently without failure

Perko Chromalex Cowl Vent - 3" Duct - Chrome Plated Zinc [1312DP0CHR] Multi Purpose Drains Leg Length: 2-5/8" per barbCowl Ventilator (1312) Chrome Plated Zinc Alloy Cowl w Black Plastic Base 3" Duct Threads Into Neck, Hose Clamps Not Required Length: 5 3 4" Width: 4 3 8" Height: 2 5 8" Quick Guide (pdf)