Takes 28mm double glazed unit. Glass size can be provided if needed. The item "UPVC ROUND OPENING CIRCLE PORTHOLE 600mm WHITE" is in sale since Thursday, July 22, 2021. This item is in the category "Home, Furniture & DIY\DIY Materials\Windows & Window Hardware\Home Windows". The seller is "saw155" and is located in Stockport. This item can be shipped to United Kingdom.