Replacement Sight Glass (Maxos Molded)

Pyrex 7740 Annular Edge Glass is no longer available due to Corning's Sunderland plant shutdown. The only replacement is Maxos molded circles, made...

Pyrex Annular Edge Glass is no longer available due to the shutdown of Corning's Sunderland plant. The only replacement is Maxos molded circles, ma...

Available in custom sizes to fit your specifications. Choose from: Plain Borosilicate (Clear): For temps up to 446F (230C); 1/4" or thicker recom...

Annealed Borosilicate (Clear): For general service up to 446F (230C). Use 1/4" or thicker glass; max 150F temperature differential. Tempered Bor...