stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack)
Size14/20 Joint
Special Features
- 14/20 Outer Joint
- Hollow glass stopper
- Hexagon Head Stopper; convenient to clean and rotate, and side grooves can prevent slippage
- Borosilicate Glass, Heavy Duty Design, Reusable and High quality; maximum withstand temperature 200°C
- StonyLab ensures high quality and premium customer service
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