Top 20 Best Selling Rubber Stoppers Lab Stoppers (2019)




Convenient assortments of various sizes of rubber stoppers in 1-lb. bags. ... more info

This multi-use #00 rubber stopper is made from solid black rubber. The diameter across the top is approximately 15mm. Generally the taper reduces diameter from 4-8mm at the bottom of the stopper depending on the stopper size with the smaller stoppers tape ... more info


Convenient assortments of various sizes of rubber stoppers in 1-lb. bags. ... more info


This multi-use #8 rubber stopper is made from solid black rubber. The diameter across the top is approximately 40mm. Generally the taper reduces diameter from 4-8mm at the bottom of the stopper depending on the stopper size with the smaller stoppers taper ... more info



This multi-use #000 rubber stopper is made from solid black rubber. The diameter across the top is approximately 6mm. Generally the taper reduces diameter from 3-8mm at the bottom of the stopper depending on the stopper size with the smaller stoppers tape ... more info

This multi-use #9 rubber stopper is made from solid black rubber. The diameter across the top is approximately 44mm. Generally the taper reduces diameter from 4-8mm at the bottom of the stopper depending on the stopper size with the smaller stoppers taper ... more info



This multi-use #6 1/2 rubber stopper is made from solid black rubber. The diameter across the top is approximately 33mm. Generally the taper reduces diameter from 4-8mm at the bottom of the stopper depending on the stopper size with the smaller stoppers t ... more info

Black rubber stoppers. Solid, regular length. For all general laboratory and other uses. Dimensions in accordance with NBS specifications. Size: 0, Top Diameter: 17mm, Bottom Diameter: 13mm, Length: 25mm ... more info



ETA hand2mind 18035 Cork Test Tube Stoppers are designed for lab and classroom use. The set of 100 assorted corks range from size 0 to 11. Science education products incorporate applied math and science principles into classroom projects. Teachers in pr ... more info


Rubber stopper with a hole drilled through the center to accommodate airlocks and/or tubing. ... more info


This multi-use #4 rubber stopper is made from solid black rubber. The diameter across the top is approximately 25mm. Generally the taper reduces diameter from 4-8mm at the bottom of the stopper depending on the stopper size with the smaller stoppers taper ... more info

Black rubber stoppers. Solid, regular length. For all general laboratory and other uses. Dimensions in accordance with NBS specifications. Size: 3, Top Diameter: 24mm, Bottom Diameter: 28mm, Length: 25mm ... more info




Rubber stopper drilled with 3/8center hole to accommodate standard air locks. Top Diameter 1 5/8 Bottom Diameter 1-3/8 ... more info

rubber stopper size 6 with hole. QTY-1 ... more info


This multi-use #5 rubber stopper is made from solid black rubber. The diameter across the top is approximately 26mm. Generally the taper reduces diameter from 4-8mm at the bottom of the stopper depending on the stopper size with the smaller stoppers taper ... more info

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