Available in Flanged, Screwed and Pad types. Double/Single Window Full View, Angular. Rotating wheel, Flapper and Dip tube design. S.S.C.I, C.S, Bronze, P.V.C, P.P, Lining of Rubber, Teflon, Lead, F.R.P. Plain and Reflex gauge glass. Toughened Borosilicate, Moulded, Pyrex. Rectangular, Round, Cylindrical. Peep-hole glasses with mica for high temperature. Pad mounted-Round/Rectangular.