Model S is our lowest cost flange mounted sight window. It is available in industry standard CL 150 sizes, and offers the standard gasket sealing that industrial customers are familiar with. For ease of installation, this window's main components are bonded together so that the flange and glass are handled as a single piece during installation. A single technician can easily install this window with little danger of chipping the glass during handling.
Other sizes, features, and ratings are available, so please submit a request for quote(Contact Us) if you need different features than what is listed above. You can find more information here