These cowl ventilators are made of flexible P.V.C. The ring nuts and mating deck flanges are made of hard plastic. The cowl ventilators can revolve and are removable. No tools are required, the ring nut can be loosened easily by hand. A Monel mosquito screen and a stainless steel cover plate to close off the cowl ventilator, can be supplied as an option. For the dimensions, please see adjacent page.
