Glass Class A Volumetric Flasks feature a pennyhead stopper and are Batch Certified. Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E288.

Borosilicate Glass Low Form Beakers are general purpose beakers. Made from low-expansion borosilicate glass. Feature heavy and uniform wall thickness. Spouts are designed for easy pouring. Beaded tops. Also include white printed graduations and a marking area. Tolerance for beakers is approximately...

Thomas Scientific™ graduated cylinders comply with ASTM E1272, Class A standards, batch certified. Each cylinder features a double metric scale, calibrated to deliver. Borosilicate glass 3.3 cylinders with pour spouts feature heavy uniform wall tubing and attached glass hexagonal bases. All...

Thomas Scientific™ graduated cylinders feature a double metric scale, calibrated to deliver . Borosilicate glass cylinders with pour spouts feature heavy uniform wall tubing and attached glass hexagonal bases. Made from heavy-duty borosilicate 3.3 glass Meets ASTM E1272 Class B tolerances for...

Borosilicate Glass Media / Storage Bottles are ideal for storing a wide range of reagents. Borosilicate glass media / storage bottles with a wide range of capacities. Autoclavable, with permanent white imprinted graduations and marking spots. Included GL45 cap is linerless; both the caps and...

Thomas Scientific™ Class B Seriological Pipettes are ideal for use with all types of pipette fillers and controllers. These Type 3 serological pipettes are made from borosilicate glass and comply with USP standards. Color-coded. Calibrated to deliver. Printed with durable amber markings.

Glass Class B Volumetric Flasks feature a pennyhead stopper. Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included.

Thomas Scientific™ Heavy Duty Borosilicate Glass Narrow Mouth Erlenmeyer Flasks are designed for durability and feature significantly thicker walls than standard Erlenmeyer Flasks. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical...

Glass Class A Volumetric Wide Mouth Flasks feature a pennyhead stopper and are Batch Certified. Durable, machine-blown body. Heavy beaded tubing neck. Feature a wider mouth than standard volumetric flasks for easy filling. Flasks feature a sharp graduation line and large white block letters. A...

Thomas Scientific™ Class A Seriological Pipettes are ideal for use with all types of pipette fillers and controllers. These Type 3 serological pipettes are made from borosilicate glass and comply with USP standards. Color-coded. Batch certified. Calibrated to deliver. Printed with durable...

Borosilicate Glass Filtering Flasks include a heavy-duty rim and a bolt neck with tubulation. Graduations are printed in durable white enamel. Manufactured from low-expansion Type 1, Class A Borosilicate 3.3 glass that complies with ASTM E438 Standard Specification for Glasses in Laboratory...

Heavy Duty Borosilicate Glass Low Form Beakers are designed for durability and feature significantly thicker walls than standard low form beakers. Heavy-duty beakers with various capacities. Made from low-expansion borosilicate glass with extra-thick walls, these beakers are ideal for tough handling...

Borosilicate Glass Wide Mouth Erlenmeyer Flasks are designed for durability and feature a wide opening for use with larger rubber stoppers. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations...

Borosilicate Glass Narrow Mouth Erlenmeyer Flasks are designed for durability and long lasting performance and use in the lab. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations in durable...