BWS Wall SleeveSize*BWS100110BWS150160BWS200200Add to WishlistThe BWS is a fully sealed wall sleeve which can be manufactured to your desired wall thickness and can connect to any duct in the UK market.Currently available in 3 sizes, 100mm, 150mm and 200mm.Data Sheet BWS200/200BWS200200.pdfDownload PDF • 289KBData Sheet BWS150/160BWS150160.pdfDownload PDF • 288KBData Sheet BWS100/110BWS100110.pdfDownload PDF • 285KB