Product Features

  • Available in 14/20, 19/22, and 24/40 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 & High quality.
  • StonyLab ensures high quality and premium customer service.


Product Options

  • 14/20: XL-815665
  • 19/22: XL-815664
  • 24/40: XL-815315

Hex Head Hollow Glass Stopper, Hexagonal Head, Closed Bottom, 1 Pack

SKU: XL-815597
Joint Size
  • Processing Time

    Usually Ship in 5 - 7 Business Days. Shipping may take longer than expected during COVID-19.

Customer questions & answers


kathie Morris

A lil expensive and the one had a deformed stem tip.

Brian Scott Sheldon

Very durable glassware. I ordered another set of 120mm funnels. I will use Stonylab glassware from now on.


the item is what it was described and works well for my purpose

John R Van H ouden

Top notch for what am using them for

Jessica Linder

Very nice glass work very well packagd I haven't used it yet planning to use for precious metal recovery not sure about the white stone or if I got the wrong piece ?? looks great



120 Lake Ave S Suite 22
Nesconset, New York 11767


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