![Sigato :Pack Of 5 :Pyrex Clear 4.0"(100mm) Glass Blowing Tubes :Length: 4 Inches : OD-12MM : Wall Thickness :2MM :Thick Wall Borosilicate Glass Tubing Blowing Tubes + 1 Cleaning Brush Free: S-4INX5Pcs: Sigato :Pack Of 5 :Pyrex Clear 4.0"(100mm) Glass Blowing Tubes :Length: 4 Inches : OD-12MM : Wall Thickness :2MM :Thick Wall Borosilicate Glass Tubing Blowing Tubes + 1 Cleaning Brush Free: S-4INX5Pcs:](https://m.media-amazon.com/images/I/61CBkaBuKHL._AC_UF1000,1000_QL80_.jpg)
Sigato :Pack Of 5 :Pyrex Clear 4.0"(100mm) Glass Blowing Tubes :Length: 4 Inches : OD-12MM : Wall Thickness :2MM :Thick Wall Borosilicate Glass Tubing Blowing Tubes + 1 Cleaning Brush Free: S-4INX5Pcs:
![Wale Apparatus - Heavy Wall Corning Pyrex Glass Tubing - 5 ft. lengths - SKU # BH-012, BH-034, BH-038, BH-058, BH-078, BH-100, BH-112, BH-114, BH-134, BH-200, BH-212 Wale Apparatus - Heavy Wall Corning Pyrex Glass Tubing - 5 ft. lengths - SKU # BH-012, BH-034, BH-038, BH-058, BH-078, BH-100, BH-112, BH-114, BH-134, BH-200, BH-212](https://www.waleapparatus.com/uploads/photo_731ce51f2c5c4b1e76de1715b3489bb2_original.jpg)
Wale Apparatus - Heavy Wall Corning Pyrex Glass Tubing - 5 ft. lengths - SKU # BH-012, BH-034, BH-038, BH-058, BH-078, BH-100, BH-112, BH-114, BH-134, BH-200, BH-212
![Corning Pyrex Borosilicate Glass Heavy Wall Tubing with Cut Ends, 15.9mm O.D. (Case of 45): Science Lab Consumables: Amazon.com: Industrial & Scientific Corning Pyrex Borosilicate Glass Heavy Wall Tubing with Cut Ends, 15.9mm O.D. (Case of 45): Science Lab Consumables: Amazon.com: Industrial & Scientific](https://images-na.ssl-images-amazon.com/images/I/61ax+upq54L._AC_UL210_SR210,210_.jpg)
Corning Pyrex Borosilicate Glass Heavy Wall Tubing with Cut Ends, 15.9mm O.D. (Case of 45): Science Lab Consumables: Amazon.com: Industrial & Scientific
![Corning Pyrex Borosilicate Glass Heavy Wall Rimless Ignition Tube, 25mm Outer Diameter x 200mm Length (Case of 120): Science Lab Culture Tubes: Amazon.com: Industrial & Scientific Corning Pyrex Borosilicate Glass Heavy Wall Rimless Ignition Tube, 25mm Outer Diameter x 200mm Length (Case of 120): Science Lab Culture Tubes: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61eUCrB84JL._AC_UF1000,1000_QL80_.jpg)
Corning Pyrex Borosilicate Glass Heavy Wall Rimless Ignition Tube, 25mm Outer Diameter x 200mm Length (Case of 120): Science Lab Culture Tubes: Amazon.com: Industrial & Scientific
![10pcs Transparent Pyrex Glass 1mm Thick Wall Test Tubes Blowing Fire Polished Ends Test Tube 100mm Length - Test Tube - AliExpress 10pcs Transparent Pyrex Glass 1mm Thick Wall Test Tubes Blowing Fire Polished Ends Test Tube 100mm Length - Test Tube - AliExpress](https://ae01.alicdn.com/kf/H53e2824417bc434db80505c894559907W.jpg)
10pcs Transparent Pyrex Glass 1mm Thick Wall Test Tubes Blowing Fire Polished Ends Test Tube 100mm Length - Test Tube - AliExpress
![4 inch Long 5 Piece Pyrex Glass Tubes 12 mm OD 1.5 mm Thick Wall Tubing Borosilicate Blowing Tubes: Amazon.com: Industrial & Scientific 4 inch Long 5 Piece Pyrex Glass Tubes 12 mm OD 1.5 mm Thick Wall Tubing Borosilicate Blowing Tubes: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71cSR+IeTZL._AC_UF894,1000_QL80_.jpg)