"Tubes"

Total length: 18 cm; bristle section length: 7.6 cm; tapered dia: from 1.3 cm to 5 mm.

Students measure pressure with a precision manometer.

Hand crank centrifuge with a capacity of 4 tubes (up to 15 ml), includes tubes for immediate use.

Hand crank centrifuge capable of holding 4×15 ml tubes, includes tubes for immediate use.

Estimate stream quality as it relates to solids in the water.

Ideal for measuring turbidity in streams where a Secchi disk can't be used.

Single bore burettes with detachable rubber tube and pinch clip.

Fits standard size pumps and accessories.

In this lab activity, students precipitate their own DNA from solution and examine its appearance.

Modern, More Efficient Tubes for General Lab Work.

To Accompany Your Tuning Fork!

Plankton net are made of cone-shaped nets with nylon cloth to collect plankton in a removable, clear conical graduated tube attached at the end of the net.

The TubeRocker Mini is designed to provide the ideal speed and tilt angle (24 rpm and 30°) for agitation of sample tubes. The grooved design of the included rubber mat properly secures all tube sizes ranging from 1.5 to 50 ml, without the use of added straps or bands.

Demonstration tool for fluid dynamics and the Bernoulli effect of water flow.

High quality and reliable.

Ice-free, stable cooling for sample tubes.