The Louvered fridge vent gives a free flow area of 31,000sqmm and comes with an optional winter cover. The vent is easy to fit using NO6 pan-head screws through the holes in the front. A mastic seal is administered to the rear of the vent to seal and once screwed the outer rim cover is fitted. Colour shown is Polar White. A range of colours can be produced please ask for details.