Product Name: Glass Tube Model Number: BS-0047/0048/0049/0050 Place of Origin: China Specifications: 1) Dimensions: a) Φ35 x 80 x 1.6-3 - Φ4.5mm b) Φ50 x 75 x 2.5-3 - Φ6mm c) Φ60 x 80 x 3.0-3 - Φ5mm d) Φ40 x 90 x 1.6-3 - Φ4.5mm 2) High temperature-resistant 3) Easy to fit 4) Borosilicate glass Outer packing: Carton