"tube+coolers"

Tubes are suitable for collection, transport, and processing of capillary blood samples from infants, toddlers, children, geriatric patients, and patients in intensive care.

Excellent for cleaning semimicro tubes and other small apparatus. Has black nylon bristles with fan style tip mounted in twisted galvanized wire. Brush area is 1.5 cm in diameter by 7 cm in length; overall length is 15 cm. Package of 12.

Divide single source tubing into two with this autoclavable connector. Fine chemically resistant polypropylene. Package of ten.

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

Soft tubing for patient comfort.

This unbreakable plastic thistle tube is ideal for the high school laboratory. It has a two piece construction with the stem tightly fitting into the funnel. Stem O.D.: 6mm. Length: 290mm. Package of 12.

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.

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

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

Fits standard size pumps and accessories.

Single bore burettes with detachable rubber tube and pinch clip.

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.

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