"tube+coolers"

Organic liquid thermometer features a U-shaped tube mounted on a plastic casing with metal floats at the top of each column.

Insert a sugar solution into the 16" clear tube, lower the membrane end into the jar of water, and watch the water level rise.

For use in specimen collection, wound care, application of topical dressings, cosmetic applications/tattoos, or general purpose

These foam plugs are designed to fit most test tubes and vials.

Low density polyethylene wash bottles enable efficient laboratory work.

Measure sample temperature in hard-to-reach areas, including cuvettes, test tubes, flasks, and beakers.

Digital dry baths that include timed or continuous operations and a removable hinged lid. External temperature probe can be positioned directly inside a sample tube.

Nose cone variety pack for Estes BT-50 rocket body tubes.

The Speed of a Bubble Set connects the mathematical concept of slope to the physical science concept of velocity.

Study the motion and behavior of gas molecules with this intriguing demonstration. An electric motor, running at 4 to 12 V DC, vibrates a small platform inside a transparent tube. This platform then violently vibrates the many small stainless steel balls inside the tube.

Digital dry baths that include timed or continuous operations and a removable hinged lid. External temperature probe can be positioned directly inside a sample tube.

Pre-calibrated test tubes and labware give fast, accurate results in the classroom or in the lab.

Generate a uniform magnetic field perpendicular to the axis of the Teltron D series tubes.

Pre-calibrated test tubes and labware give fast, accurate results in the classroom or in the lab. 

The HOBO® water Level data logger features high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain.

This unusual-looking Echinoderm, a small ball-shaped organism, displays radial symmetry. It moves via tube feet.