Mice control has never been easier with our MouseMesh Air Brick Covers! Available in three different sizes and six different colours, our grills have been designed to provide an effective deterrent, without impacting on the aesthetic appeal of your home. Complete with straight forward fitting instructions, our grills are extremely easy to fit and all of our products can be fitted over existing air brick vents, with absolutely no interruption to air flow. BS EN 13501-1:2007+A1:2009 Compliant. Symple Stuff Size: 1.3cm H x 25.5cm L x 20.5cm W, Colour: White