Manthorpe's adjustable hit & miss grille plates are designed for covering over and providing ventilation through vent openings. Hit & miss cover can be used to reduce or completely close off airflow with an easily adjustable flyscreen which can either be set to 'open' or 'closed'. Suitable for use in most domestic situations including larders, cupboards & wardrobes. These vent covers are easy to fit, with all fixings hidden leaving a clean, tidy finish. Please note, this product is not suitable to ventilate gas appliances.Product features and benefits: Adjustable faceplate for airflow control Concealed fixing screws Fitted with integral flyscreen Suitable for interior use 9" x 3" Adjustable Hit & Miss Vent Specification: For openings up to 229 x 76mm Free ventilation area: 2,240mm² Size 280 x 105 x 5mm 9" x 6" Adjustable Hit & Miss Vent Specification: For openings up to 229 x 152mm Free ventilation area: 4,680mm² Size 285 x 190 x 7mm 9" x 9" Adjustable Hit & Miss Vent Specification: For openings up to 229 x 229mm Free ventilation area: 6,350mm² Size 285 x 270 x 7mm
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