Replacement Sight Glass Discs for Lumiglas Ports and Windows, Borosilicate
Replacement sight glass discs are available in borosilicate for Lumiglas® ports and windows.
Borosilicate Glass to DIN 7080 with temperature ratings to 536°F (280°C)Quartz Glass with temperature ratings to 1000°F (537°C) Glass discs with wiper hole and Obround and gauge glass also available.