The Four Season Evolution Hatch has four openings which can be individually controlled by the simple twist controls. Each flap has 3 preset positions: locked, rain protection( the caravan remains waterproof while still allowing ventilation) and fully opened. All opening have a quick release fly-screen for effortless cleaning or maintenance. The new model is constructed from moulded Acrylonitrile Styrene Acrylate (ASA) for superior weathering resistance. ASA is know for it's key attributes including; excellent gloss retention, UV stabilisation / anti-discolouration properties, impact, heat and chemical resistance. It also enables greater sealant adhesion making it perfect for this style of application. Installation of the new four seasons hatch been simplified with the inclusion of an integrated air deflector into the units housing. All the required hardware for installation is supplied (excludes silicone) and a copy of installation instructions are available below. Features: Improved airflow - Passive ventilation has been increased by 40% Evolution internal frame with ergonomic vents controls Rain setting - Vent stays waterproof while remaining open during rain Four independently adjustable flaps with 3 opening positions Removable screens for easy cleaning and maintenance 1 year warranty. Specifications: Suit roof thickness 25-70mm Fits 660x660mm cutout Internal frame dimensions: 715x715x40mm External dimensions 715x715x140mm Passive ventilation: 223cm2 Suit roof thickness 25mm - 70mm Fits a 660mm x 660mm cutout Internal frame dimensions: 715mm x 715mm x 40mm External dimensions: 715mm x 715mm x 140mm
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