This Custom Transom Ventilator is one-of-a-kind, designed and manufactured by Glenwood Marine in the 1940's. The tooling for this vent no longer exists, and there is a very limited supply available and once it's gone, there will be no more.
WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov