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set of 5 laboy glass penny head hollow glass stoppers for 24/40 outer glass joints logo

Set Of 5 Laboy Glass Penny Head Hollow Glass Stoppers For 24/40 Outer Glass Joints Review

2

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🧪 Lab Supplies & Consumables, 🧪 Lab & Scientific Products

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Description of Set Of 5 Laboy Glass Penny Head Hollow Glass Stoppers For 24/40 Outer Glass Joints

Penny head hollow glass stopper,with closed bottom and taper ground inner joint. Made of high quality heavy wall borosilicate glass tubing by hand-blowing and precision grounding. Used to close glassware items like flasks,separatory funnels,cylinders. With 24/40 inner joint fit for 24/40 or 29/42 glass. 100% 90 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.

Reviews

Global ratings 2
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Type of review

Revainrating 5 out of 5

Turned out to be a very good purchase.

I waited on buying because of the cost. But needed and finally bit the bullet. Surprise, very good product, packaged extremely secure, and arrived almost 3 weeks before scheduled. A good addition to my lab.

Pros
  • They showed up exactly as described.
Cons
  • Compatibility

Revainrating 5 out of 5

Fits perfectly on my review.

Fits perfectly on my round bottom flask providing an adequate seal to prevent leakages. As a test, I filled the flask with solvent, attached this stopper, flipped the flask and then swirled it around rapidly which did not result in any leaks. Seems to be made out of quality material, nicely designed which makes it easy to handle.

Pros
  • The perfect fit for their glassware. No leakage, no problems and it's sturdy!
Cons
  • Cost

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