stonylab Glass Hex Head Hollow Stopper, Hexagonal Glass Stopper for 14/20 Outer Joint with Closed Bottom, Ideal for Sealing Lab Glassware, for Laboratory Use Only (5 Packs) 14/20 Joint Size:14/20 Joint Rechargeable & Long-Lasting: The built-in

Rechargeable & Long-Lasting: The built-in 500mAh rechargeable battery provides up to 60 uses on a single 2

when secured to the top of the container

New OEM part

diamond-grit stickers add reliable traction to wet tub and shower floors

Our sturdy circular tags can accept most pens and pencils

stonylab Glass Hex Head Hollow Stopper, Hexagonal Glass Stopper for 14/20 Outer Joint with Closed Bottom, Ideal for Sealing Lab Glassware, for Laboratory Use Only (5 Packs) 14/20 Joint Size:14/20 Joint Rechargeable & Long-Lasting: The built-instonylab Glass Hex Head Hollow Stopper, Hexagonal Glass Stopper for 14 20 Outer Joint with Closed Bottom, Ideal for Sealing Lab Glassware, for Laboratory Use Only (5 Packs) Product Features Suitable for sealing lab glassware with 14 20 outer joints in Lab experiments Lightweight hollow glass stopper ensures a tight seal Hexagonal head design allows easy handling, cleaning, and prevents slippage Made of durable glass, reusable; maximum withstand