Lab Supplies

These rubber stoppers are of high quality, soft, resilient rubber. Diameter is for 25 mm test tubes, and holes are for 6mm glass tubing. These stop...

These rubber stoppers are of high quality, soft, resilient rubber. Diameter is for 25 mm test tubes. These stoppers are size 4 and are solid (no ho...

These stoppers are size 4 and are drilled with two holes. Size 4 stoppers have top diameter of 26mm, a height of 25mm, and a bottom diameter of 20mm.

These stoppers are size 5.5 and are drilled with one hole. Size 5.5 stoppers have top diameter of 28mm, a height of 25mm, and a bottom diameter of ...

These stoppers are size 5 and are drilled with one hole. Size 5 stoppers have top diameter of 27mm, a height of 25mm, and a bottom diameter of 23mm.

These stoppers are size 5 and are drilled with two holes. Size 5 stoppers have top diameter of 27mm, a height of 25mm, and a bottom diameter of 23mm.

These stoppers are size 5 and are solid (no hole drilled). Size 5 stoppers have top diameter of 27mm, a height of 25mm, and a bottom diameter of 23...

These stoppers are size 6.5 and are drilled with one hole. Size 6.5 stoppers have top diameter of 34mm, a height of 25mm, and a bottom diameter of ...

These stoppers are size 6 and are drilled with one hole. Size 6 stoppers have top diameter of 32mm, a height of 25mm, and a bottom diameter of 26mm.

These stoppers are size 7 and are drilled with one hole. Size 7 stoppers have top diameter of 37mm, a height of 25mm, and a bottom diameter of 30mm.

These stoppers are size 7 and are drilled with two holes. Size 7 stoppers have top diameter of 37mm, a height of 25mm, and a bottom diameter of 30mm.

These stoppers are size 8 and are drilled with one hole. Size 8 stoppers have top diameter of 41mm, a height of 25mm, and a bottom diameter of 33mm. 

These stoppers are size 8 and are drilled with two holes. Size 8 stoppers have top diameter of 41mm, a height of 25mm, and a bottom diameter of 33mm.

These stoppers are size 8 and are solid (no hole drilled). Size 8 stoppers have top diameter of 41mm, a height of 25mm, and a bottom diameter of 33...

2 feet of rubber tubing. Style and packaging will vary from photo.

Rubbing alcohol - 2 oz bottle. Style may vary.

Rubbing alcohol - 4 oz bottle. Style, brand, and packaging will vary from photo.

Rubbing Alcohol 10mL bottle

Rubbing alcohol 8 oz size.

12' sturdy hardwood ruler with centimeters on one side, and inches on the other side with metal straight edge.

Unique labyrinth style vents allow 10% more airflow than perforated goggles, but provide excellent splash protection from harmful liquids.

Salt Packet