Perko Chromalex Cowl Vent - 3" Duct - Chrome Plated Zinc [1312DP0CHR] Multi Purpose Drains Incorporates a proprietary Electronic Sensing

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

Thread Length: 3-1/4" (fits hull thickness up to 2-7/8")

long-lasting seal

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

Perko Chromalex Cowl Vent - 3" Duct - Chrome Plated Zinc [1312DP0CHR] Multi Purpose Drains Incorporates a proprietary Electronic SensingCowl 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)