Quality, laboratory grade Cork Stoppers. Available in the following sizes: Size 000 Size 00 Size 0 Size 1 Size 2 Size 3 Size 4 Size 5 Size 6 Size 7 Size 8 Size 9 Size 10 Size 11 Size 12 Size 14 Size 16 Size 20 Size…

Our Griffin Beakers are made from quality, heat-resistant borosilicate glass, and have a reinforced rolled rim and even wall thickness. They are made so that the smaller sizes will nest inside the large sizes. PRODUCT WARNINGS WARNING: This product can expose you to chemicals…

Glass with ground edges - Double Convex

Lenses - Glass with ground edges - Double Concave

These quality round bottom boiling flasks are made from heat-resistant borosilicate glass, and have 24/40 ground glass joints and thick walls. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer,…

These graduated cylinders are made from borosilicate glass, and are supplied with a removable hex base and bumper guard. The hex base provides stability and the bumper guard helps to absorb shock and avoid breakage. PRODUCT WARNINGS WARNING: This product can expose you to chemicals…

High Quality prepared microscope slides for botany, zoology, histology, parasitology, pathology.

Our Utility Funnels are made from tough, chemically-resistant polypropylene. They have a 60º cone angle and ribs to prevent air-lock. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

These borosilicate glass Sintered Funnels have a porous filtering plate. They come in three sizes and two levels of porosity . PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects,…

High Quality prepared microscope slides for botany, zoology, histology, parasitology, pathology.

These heat-insulating pads with low thermal conductivity are made from flexible aluminum and silica oxides with a small amount of organic binder. They are useful for protecting surfaces when working with hot items like crucibles or flasks. Sold in packs of 12 or case of 120. …

These funnels are made from borosilicate glass and have a short stem. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

These round glass bottles with caps come in multiple capacities and colors. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information…

Turbidity is the measurement of the cloudiness of a fluid. To measure turbidity using this apparatus, fill the tube with water and drain it slowly by limiting flow with the pinch clamp on the hose. Stop draining once the black and white Secchi disk on the bottom of the tube becomes visible, and…

General purpose IMPACT Safety Goggles

Nickel plated or stainless steel crucible tong with non-binding joints for carrying hot crucibles and evaporating dishes.

Our Filtering Flasks are made from quality borosilicate glass and have a narrow mouth, tooled-top finish, and a capacity scale. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects,…

These round glass bottles with dropper assemblies come in multiple capacities and colors. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For…

The Glass Plate is made from single strength plate glass, 2mm thick. Used as a cover for Flasks, Cylinders or Beakers.

Our dissecting pins are available as either straight or T-shaped, and in different lengths. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For…

Our resonance tubes are made from borosilicate glass. These resonance tubes are non-graduated. Use them to build your own resonating column demonstration or velocity-of-sound-in-air demonstration. We also sell graduated resonating tubes . PRODUCT WARNINGS Our products are not toys .…

Our borosilicate Watch Glasses have fire-polished edges and a concave shape. They have many uses in the lab, such as covering jars to prevent contamination, preventing direct contact with heat, acting as an evaporation surface, and more. PRODUCT WARNINGS WARNING: This product can…

High Quality prepared microscope slides for botany, zoology, histology, parasitology, pathology.

High Quality prepared microscope slides for botany, zoology, histology, parasitology, pathology.

This hook is attached to a collar that fits around a support stand rod. There is a 19mm inside diameter. Its uses are up to you. Support stands sold separately. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, which are known to the State…

Microscope Slides, Glass - Size 25mm x 75mm x 1.0-1.2mm thick. 4-13055: Dozen 4-13051: Gross - packed in boxes of 72 each

High Quality prepared microscope slides for botany, zoology, histology, parasitology, pathology.

Our sterile, two-piece polystyrene Petri dishes are sold in sleeves of 20. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

Electrolysis Unit Hoffman Standard The apparatus is supplied with the Hoffman Glass Collecting Tube and Reservoir #57001. The Collection Tubes are graduated to 60ml x 0.2ml subdivision. The top of each tube is fitted with ground glass stopcocks. The Reservoir Tube is 16" in length and is…

These wide-mouth flint glass jars come with phenolic lids. They are available in multiple capacities. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other reproductive…

Teasing needles are used to manipulate small samples. These long, white plastic handles and are available with straight and bent tips. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to the State of California to cause…

These polypropylene burette clamps can attach to a support stand and hold either a single burette or two burettes. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.