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Rubber Stoppers


Use these sturdy rubber stoppers and corks to contain liquids in test tubes and flasks. They fit tightly to prevent chemical leaks. Our 5 mm glass tubing fits in the one- or two-hole rubber stoppers. For small test tubes use #00 stoppers. Use #0 for large test tubes, and #1 for extra large. Use #6 stoppers for 250 ml flasks.

Save when you buy 10 or more of one of these stoppers!

 
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Rubber stopper, #0, 1-hole
Rubber stopper, #0, 1-hole
Rubber stopper, #0, 2-hole
Rubber stopper, #0, 2-hole
Rubber stopper, #0, solid
Rubber stopper, #0, solid
Rubber stopper,  #1, 1-hole
Rubber stopper, #1, 1-hole

$0.35

These #0 rubber stoppers are 13-17 mm diameter with one 3mm diameter hole. ... more

$0.35

These #0 rubber stoppers are 13-17 mm diameter with two 3mm diameter holes.... more

$0.35

These #0 rubber stoppers are 13-17 mm diameter. #0 rubber stoppers fit larg... more

$0.35

These #1 rubber stoppers are 14-19 mm diameter with one 4mm diameter hole. ... more
Rubber stopper,  #1, 2-hole
Rubber stopper, #1, 2-hole
Rubber stopper,  #1, solid
Rubber stopper, #1, solid
Rubber stopper,  #3, 1-hole
Rubber stopper, #3, 1-hole
Rubber stopper,  #3, 2-hole
Rubber stopper, #3, 2-hole

$0.35

These #1 rubber stoppers are 14-19 mm diameter with two 4mm diameter holes.... more

$0.35

These #1 rubber stoppers are 14-19 mm diameter. #1 rubber stoppers fit 50ml... more

$0.45

These #3 rubber stoppers are 18-24 mm diameter with one 5mm diameter hole. ... more

$0.45

These #3 rubber stoppers are 18-24 mm diameter with two 5mm diameter holes.... more
 
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