100% Quartz Tube Bowl Made of Quartz 90 Degree 4mm Thick 25mm Wide Quartz with Glow Ball - 14mm Male

Package: 2 Packs ， 5 packs， 10 packs 1 Pack including :  1 Piece banger+ 1 Caps + 2 Glow Balls Express Shipping， Ship From US 14mm Male .OD 25mm Bucket Thickness of bottom: 4mm Reliable Quality:100%Made of quartz crystal,High Heat Resistance，Quartz glass can be used at 1100℃ for a long time Good light transmission. The visible light transmittance is above 92% Safe to use: quartz crystal:Quartz is made of natural crystal and silica High temperature resistance：Quartz glass can be used at 1100°C for a long time. Good thermal stability. Quartz glass has a very small coefficient of thermal expansion can withstand severe temperature changes, and is stable at high temperatures. preservative. In addition to hydrofluoric acid, quartz glass hardly reacts with other acids.