Product features & benefits: Low profile design makes it unobtrusive on the roof line Fits perfectly with adjacent slates Slate grey cap blends in with most man-made or natural slates Built-in downpipe to ensure direct ventilation path into the roof space Fully wind tunnel tested Adaptor and flexipipe available forsoil ventilation or mechanical extraction Prevents entry of birds and large insects Area of application suitable for: 600mm x 300mm (24” x 12”) and 500mm x 250mm (20” x 10”) double lap slates Man-made or natural slates Roofs with a pitch over 20° Colour Slate grey, matt finish Dimensions 600mm long x 300mm wide x 85mm deep (excluding downpipe)