Home / Ventilation / External Grilles Product Description Gravity Grilles, Aluminum - Anodized Product Description The CRW Gravity Grille is designed to minimize backdrafts as well as ingress of water and snow Can be used in any application requiring permanent ventilation combined with screening such as air exhaust for ventilation or air conditioning systems, plant rooms, generators, workshops, garages and pumping stations The louvres are shaped and positioned to open with exhaust wind, and drop (close) with gravity, ideal for use on the external walls of a building at discharge points. These are not fixed louvres Made with high quality and attractive anodized aluminum Provided sizing is for the "neck size", which is the size of duct and/or wall opening that the grille will be fit into Installation Self tapping screws (not included) can be used to drill directly into the grille face or neck, depending on preference, and fix it to the surface (wall or wooden frame) as required. Specifications Brand AirTech-UK Product Code GRAVITY GRILLE 600 X 600 MM Weight 2kg Customer reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Description Gravity Grilles, Aluminum - Anodized Product Description The CRW Gravity Grille is designed to minimize backdrafts as well as ingress of water and snow Can be used in any application requiring permanent ventilation combined with screening such as air exhaust for ventilation or air conditioning systems, plant rooms, generators, workshops, garages and pumping stations The louvres are shaped and positioned to open with exhaust wind, and drop (close) with gravity, ideal for use on the external walls of a building at discharge points. These are not fixed louvres Made with high quality and attractive anodized aluminum Provided sizing is for the "neck size", which is the size of duct and/or wall opening that the grille will be fit into Installation Self tapping screws (not included) can be used to drill directly into the grille face or neck, depending on preference, and fix it to the surface (wall or wooden frame) as required. Reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Attributes Brand AirTech-UK Product Code GRAVITY GRILLE 600 X 600 MM Weight 2kg Delivery & Returns As per our terms and conditions. Customer Reviews CRW Gravity Grilles, Aluminum - Anodized Item in Stock Product Code GRAVITY GRILLE 600 X 600 MM Sizes 200 x 200 mm 300 X 300 mm 400 X 400 mm 500 X 500 mm 600 X 600 mm £58.99 £49.16 (ex. VAT) Login to add this product to your wishlist. You Will Earn 58 points which is the equivalent of £0.58