Attwood Cowl Ventilator
Perko Clam Shell Ventilator - Chrome Plated Brass - 4" x 3-3/4"
Whitecap Clam Shell Midget Vent 2-1/4" x 2-1/4"
Whitecap Clam Shell Midget Vent 1-1/2" x 1-3/4"
Perko Chromalex Cowl Vent - 3" Duct - Chrome Plated Zinc
Perko Cowl Ventilator - 3" Chrome Plated Zinc Alloy
