زجاج المراقبة Riello R.VETRO010 MM.50X3 زجاج بيركس البورسليكاتي المثبت على الحائط

Sight glass Riello R.VETRO010 MM.50X3 Pyrex borosilicate wall is a replacement glass for observation ports. Made of borosilicate glass, it has diameter 50 mm and thickness 3 mm.