CAMEC 4 SEASONS EVOLUTION ROOF HATCH Introducing the Camec 4 Seasons EvolutionRoof Hatch in the classic 660x660 square size. Capturing the essence of what caravaners loveabout the 4 seasons hatch, and improving on its ease of installation and use. Easy to open and close on all 4 sides and features fully removable flyscreens for ease of cleaning or replacement. The hatch can be left partly open with the rain setting. Allowing airflow into your caravan while your out of it for the day, while having no concerns of water getting in through the hatch if it rains. Features Fully designed and tested in Australia forAustralasian conditions Complies with gas codes One piece moulded main body Easy to fit Screens removed easily for cleaning Waterproof during rain, with flaps in 'rain' position Four independently adjustable flaps 223cm2 of fixed ventilation, even when closed. Specifications Passive ventilation: 223cm2 Suit roof thickness 25mm - 70mm Fits a 660mm x 660mm cutout Internal frame dimensions: 7150mm x 7150mm x 40mm External dimensions: 7150mm x 7150mm x 140mm