1326. Drying tube U-shape,Website: , with two side tubes and stoppersProduct descriptionThis kind of drying tube adds two triangle stopcock in the side tubes so that it can act as a control valve. Drying tube is used to dry or clean gas, the two vertical glass tubes is the exit and entrance of gas, we connect this two to apparatus with rubber tube and then let one gas in and another out.There are 3 sizes available: 100mm U-shape drying tube with two side tubes and stoppers, 150mm U-shape drying tube with two side tubes and stoppers, 200mm U-shape drying tube with two side tubes and stoppers, Bullet points/advantages: 1. Material: glass2. Color: Clear3. Heavy dutyColor :  ClearMaterial:  glassSpecificationCat.No.O.D.of tubeLengthQty/Ctn(mm)(mm)132613100200132615150200132620200100