![Borosilicate circular sight glass discs for sight glass lens](http://www.tubularglass.com/cdn/shop/files/borosilicateglass_571f6f02-afb0-446a-b483-ccedc3d836b4_{width}x.jpg?v=1718429893)
Made from high-quality borosilicate glass, these circular sight glass discs are designed to provide a durable and reliable viewing solution. With its exceptional clarity and impact resistance, these discs allow for easy observation and monitoring of processes and fluids. Perfect for industrial and laboratory use.