Amazon.com: Blackout Shade for Regular Hatches with Built in Ventilation | Blackout, Ventilation and Bug Screen (1320) Hatch is not Included : Sports & Outdoors
360x360mm Boat Ventilation Hatch Window Square Push Out Deck Porthole Skylights Escape Window for 3‑23mm Thick Marine Yacht RV
Maxwell Boat Ventilation Hatch WHS18WW1 | White 16 3/8 Inch
900 Series Low-Profile Molded Polycarbonate Hatches | West Marine
Cabin Hatch/Vent & Trim Kit | West Marine
Amazon.com : Jim Black Boat Ventilation Hatch 591-1818-02-01-02 | 18 1/2 Inch White : Sports & Outdoors
Amazon.com : Bomar Boat Parallelogram Ventilation Hatch N1044-10HX-WHT | Opaque White 20 1/2 x 11 1/2 Inch : Sports & Outdoors
Amazon.com : Jim Black Boat Ventilation Hatch 591-1818-02-01-02 | 18 1/2 Inch White : Sports & Outdoors