Perko, 6 X 2 Ventilator Chrome Plated Zinc, 1271DP0CHR

550: Chrome plated brass. For #8 screw.1271: Chrome plated zinc alloy with anodized aluminum expande..

$26.68

Perko, Chromalex Cowl Ventilator, 1312DP0CHR

Chrome plated zinc cowl with black plastic base. 3" duck threads into neck. Hose clamps not required..

$53.99

Perko, Cowl Ventilator, 0870DP0CHR

Chrome plated. 3" duct threads into neck. Hose clamps not required. Mouth opening is 7 square inches..

$65.40