Supplies

Pre-cleaned borosilicate glass test tubes without rims. Tubes can be used for hot or cold applications, are reusable, and can be autoclaved.

The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. (100 per PK )

Polypropylene rack is designed to hold six Nessler cylinders. Flat lower deck is white to provide a reflective surface. Chemical and corrosion resistant rack can be autoclaved at 121°C (250°F). (1 per EA)

This stand is designed for use with alcohol burners. Its base is constructed from 3/16" stainless steel rod, with a plated steel mesh top. The stand can be positioned to a height of either 4" or 5". (1 per EA)

Heavy cast iron bases with black enamel finish. Includes a removable, zinc-plated steel rod. (1 per EA)

Cast iron ring with black enamel finish. Detachable zinc plated legs are interchangeable for use with various sizes of rings. Rings and legs are also available individually. (1 per EA)

Steel rod, zinc-plated extension support rings. Rod diameter 7 mm (0.27”) and the straight rod portion of each is 7.25” (184 mm) long. Open support rings are ideal for use with funnels, boiling flasks, and separatory funnels. (1 per EA )

Economical yet very durable racks that are submersible, autoclavable, and easily stack when empty. Made from a special blend of polypropylene (PP) that makes them sink in a water bath and maintain their stability, even in agitated water. The top tier features an alphanumeric grid reference. Available in white, but can be special ordered in various colors. Shipping weight (for pack of 6) 2.0 Lbs., Package dimensions: 15" x 10" x 2". (6 per PK )

Clips For Jointed Glassware, Polypropylene, Size 14, Yellow (10 per PK )

Clips For Jointed Glassware, Polypropylene, Size 19, Blue (10 per PK )

These pipettes are made from borosilicate glass in compliance with ASTM specification E-1293 for Class B pipettes. Color-coded. Calibrated to deliver. Printed with durable amber markings. (6 per PK )

Disposable polystyrene petri dishes offer optical clarity and strength at economical prices. 65mm dish includes a molded-in grid on the lid for easy colony counting. Sterilized. (10 per PK )

These borosilicate glass, general purpose media bottles are autoclavable with permanent white imprinted graduations and marking spots. The screw thread opening has an I.D. of approximately 30mm. The supplied GL 45 cap is liner-less and both the cap and dr (4 per PK )

Polypropylene beakers with pouring spouts are ideal for general laboratory use. Tapered design is convenient for stacking and holding. All sizes have easy to read silk-screened graduations. Autoclavable. (12 per PK )

Polypropylene beakers with pouring spouts are ideal for general laboratory use. Tapered design is convenient for stacking and holding. All sizes have easy to read silk-screened graduations. Autoclavable. (6 per PK )

Polypropylene beakers with pouring spouts are ideal for general laboratory use.  Includes rectangular handle for easy carrying and pouring.  All sizes have easy to read silk-screened graduations.  Autoclavable. (6 per PK )

Polypropylene beakers with pouring spouts are ideal for general laboratory use.  Includes rectangular handle for easy carrying and pouring.  All sizes have easy to read silk-screened graduations.  Autoclavable. (4 per PK )

Quartz Glass Crucible Lid 150ml fits #CGQ150 (1 per EA)

Unibody construction from sheet nickel, polished inside and out. Can withstand temperatures up to 600°C. Covers included. (1 per EA)

Round form evaporating dishes include lip. Glazed inside and outside on both sides, except for large dishes (greater than 385 ml) which are glazed inside and partially outside. (6 per PK )

Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. (6 per PK )

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A plastic snap cap is included (1 per EA)

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. (1 per EA)

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. (1 per EA)