Velux Ventilation Flap 750485SK0
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Description: - Suitable for UPVC / Aluminium and Wooden Doors and Windows - Securely leave windows open for ventilation Pack includes:: - Ventilation Bar - Multiple Packer Sizes - Frame Catch - Screw Caps The Safety Bar is a security device designed specifically for UPVC windows and doors. It has the same purpose as conventional door safety chains, allowing you to leave windows open for ventilation, or partially answering and opening the door prior to fully opening the door for entry.. It benefits from increased strength, an ease of use and a shaping styling and is suitable for UPVC, wooden and aluminium windows and doors. The Safety Bar is suitable for open in or open out doors. Available in Packs of: 1, 2, 3 and 4 units
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4pcs White Window Door Cable Restrictor Ventilator Child Safety Security Lock UK Specification - Material: Zinc alloy and stainless steel 4 pieces ：4 x safety lock + 4 x key + 16 x screws
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Baby Safety Lock: 2 cable ventilator Designed for child safety, limiting window opening distance, safe ventilation. Ideal for Window Door Security. Cable distance up to 20cm, with lock head length 23cm.
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The Simon Vent-A-Matic model C102S is a pull-cord operated non-electrical fan, shuttered for toilets, boats, caravans and sheds etc with stormguard included for enhanced weather protection. For use with single pane glass.
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Suitable for uPVC, Wooden and Aluminiumwindows. Through Ventilation for Building - Performance Testing for components/products for residential ventilation's – Part 1: External and Internally Mounted Air Transfer Device.
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The Safety Bar is a security device designed specifically for UPVC windows and doors. - Ventilation Bar. - Securely leave windows open for ventilation. The Safety Bar is suitable for open in or open out doors.
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I have included photographs to show how they work as well as a photograph to show the gap to which the window is left open. The stay has been made to fit PolyPlastic Caravan windows. The idea of the unit is to open the caravan window to allow for ventilation while stopping the window from flapping when the opening is too small for the window rods to hold it firm.
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