Aluminium external shutter boxes 45′ 𝐃𝐢𝐦𝐞𝐧𝐬𝐢𝐨𝐧𝐬: 127mm, 165mm, 180mm, 205mm, 255mm and 300mm 𝐂𝐨𝐥𝐨𝐫𝐬: White, Silver, Anthracite, Brown, Nussbaum and Golden Oak
