"micro+tube+racks"

Molecular weight cutoffs of 3.5, 7 and 14 kDa.

The semi-permeable membrane, created from a natural source of cellulose, allows passage of particles up to 14000 Da.

Borosilicate glass capillary melting tubes are 4" in length and have a 0.05" outer diameter capillary tubes that are particularly useful for determining the melting point of various substances.

Made of PYREX® borosilicate glass, conical, beaded.

Made of borosilicate glass.

Ideal for small volume dialysis or evaluation of membrane for an application, multi-purpose standard Regenerated Cellulose (RC) tubing is now available in 1 and 5 m length trial kits with a pair of tubing closures.

Made from high quality borosilicate glass.

Packaged in individual carton for convenient use and storage. In standard 4'' lengths.

The lidded test tube basket is ideal for securely holding and organizing test tubes in the lab.

Made of borosilicate glass to reduce pH changes and contaminants potentially leached from soda-lime glass.

Quality glassware at an affordable price.

Free-standing microcentrifuge tube in light-blocking transparent amber color can hold up to 2.0 ml.

Autoclavable polycarbonate clip that fits over the lip of a beaker, bath, or other vessel.

Rugged, autoclavable centrifuge tube boxes.

Intermediate hardness and melting point.

A simple wire clamp that may be installed or removed without disconnecting tubing ends.