Perko Chromalex Cowl Vent - 3" Duct - Chrome Plated Zinc [1312DP0CHR] Perko Sale! from $50.81 USD /per Cowl 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) Produc variants Default Title Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Couldn't load pickup availability Refresh