4" Sight Tower Cylinder made of Borosilicate Glass
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Cylinder for sight tower made of heat resistant 5 mm thick borosilicate glass in 4 inch, which allows building a Crystal Dragon together with our Crystal Dragon Special Gasket.
Please be aware that although borosilicate glass is very robust, it can have asperities and air entrapment in the glass, as well as asperities by chipping at the edges due to the difficult processing. This is not a product flaw, but a characteristic caused by production. Please handle items made of borosilicate glass with utmost care, do not clamp them too tight, and do not put them down onto hard surfaces! All glasses are carefully inspected by us before delivery and singled out if deviant. We can not accept subsequent complaints.
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