Test Tube Screw Cap Glass 20ml, 150x16mm Borosilicate Glass Chemical Resistant CH0724C LABGLASS USA

*** Borosilicate glass 3.3, round bottom, plain with bakelite screw cap and rubber liner.

Size: 

1. Test Tube Screw Cap 15ml, 125x16mm

2. Test Tube Screw Cap 20ml, 150x16mm

3. Test Tube Screw Cap 25ml, 150x18mm

4. Test Tube Screw Cap 30ml, 100x25mm

5. Test Tube Screw Cap 50ml, 150x25mm