"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.

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

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

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

Fits standard size pumps and accessories.

Single bore burettes with detachable rubber tube and pinch clip.

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

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.

Modern, More Efficient Tubes for General Lab Work.

High quality and reliable.

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.

Ice-free, stable cooling for sample tubes.

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