Anonymous1 year ago000Do I need the SureFlap XXL mounting adapter for the SureFlap Connect pet flap? In the picture, the door looks square and the window fitter has cut a round hole in our window for it. Show in original language (German)pamela1 year ago000Yes, it requires the SureFlap XXL mounting adapter. Show in original language (German)CommentM.th1 year ago000If there is double glazing and a round opening, then yes.Show in original language (German)Comment