United Scientific Supplies

The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. Superior quality neutral filter paper. Suitable for medium filtration, very low ash content.

Protect against cross-contamination using these racked, sterile filter pipette tips. Filters are manufactured of 100% pure porous polyethylene with a hydrophobic design to prevent liquids and aerosols from entering the body of the micropipette. Best suited for biological applications, these tips are...

Capture water samples from specific depths with this clever tool. The unit is made from impact-resistant PVC, with soft rubber seals that hold up to 1.5 liters of liquid. A unique design allows for hassle-free sample collection: when the desired depth is reached, students simply jerk the attached...

These amber boston round flint glass bottles include screw cap with dropper assembly are designed for general use. The glass is non-porous, which allows for easy cleaning or autoclaving. The amber color helps protect light sensitive materials.

Our beakers are made from low-expansion borosilicate glass. Beakers feature heavy and uniform wall thickness, spouts designed for easy pouring, and beaded tops. The 20ml and larger sizes also have white printed graduations and a marking area. Tolerance for beakers is approximately +- 5%.

Flexible and strong red rubber tubing available in 10' and 50' lengths. Enhance your lab's functionality with our high-quality, versatile General Purpose Rubber Red Tubing from United Scientific Supplies. Ideal for a wide range of laboratory applications, this tubing is designed to...

Rubber Stoppers packaged in convenient 1lb bags. Available in solid, 1 hole, and 2 hole versions.

These bottles are made of translucent and Low Density Polyethylene. The distinguishing feature that these bottles contain is the built-in delivery tube making it a one-piece wash bottle. These bottles are graduated on the outer surface to reflect an approximate volume of solution filled or...

Transfer (Volumetric) pipettes are manufactured from specially selected, heavy wall machine drawn borosilicate accurate bore glass tubing. They have precision fored jets and bevel ground ends to resist chipping. The graduation marks are in durable white enamel or amber stain; both are resistant to...

Manufactured by United Scientific Supplies, this stirring rod is an essential tool for any lab environment. Its glass construction ensures it won't react with the chemicals it comes into contact with, preserving the integrity of your experiments. The rod is also adept at evenly distributing heat...

Made from high-quality virgin polypropylene, these microcentrifuge tubes are RNase, DNase, and Pyrogen free for safer use in molecular biology and other biochemical applications. Include a connected snap cap, large molded-in graduations, and a frosted surface for easier writing. Autoclavable tubes...

These student grade partial immersion thermometers are etched in 1° increments. Each thermometer comes complete with an anti-roll triangle and is housed in a convenient re-usable plastic storage. Filled with a red-colored kerosene mixture. The thermometer has a white back and is 11-3/4"...

High quality polygon shaped stir bar without pivot ring, teflon coated magnet. United Scientific Supplies offers Stir Bars without Pivot Ring, designed to improve mixing efficiency in laboratory applications. Their polygon shape enhances stirring action, providing consistent results. These stir bars...

These support stands with rods come complete with a stamped steel base with black enamel finish and a removeable zinc plated steel rod.

Prepared Slide set, 25 slides, contains: Amoeba proteus wm, Hydra wm, Earthworm cs of posterior, Daphnia and cyclops wm, housefly head with mouthparts wm, housefly leg with clinging pads, mouth smear squamous epithelium, striated muscle ls, human blood smear, bacteria smear from mouth, diatoms mixed...

Protect against cross-contamination using these filter pipette tips. Filters are manufactured of 100% pure porous polyethylene, and designed to prevent liquids and aerosols from entering the body of the micropipette. Best suited for biological applications, these tips are non-cytotoxic,...

Disposable culture tubes are manufactured from high quality 5.1 expansion borosilicate glass. Rimless design enables easy plugging using a stopper. Caps not included. Meet USP Type I and ASTM E438, Type I, Class B requirements. Tubes are packaged in shrinkwrapped boxes to keep them particle-free,...

Designed by teachers and tested by teachers, this kit greatly enhances the students' understanding of the process of mitosis. All four stages of the cell cycle can be easily demonstrated with the parts included. The kit gives students a “hands on” experience without the need for...

Kit includes a variety of commonly used hardware itmes in a general science, physical science, or chemistry laboratory. Designed for use by 2 - 4 students. Shipped in a re-usable storage box. Contents: Alligator Clip w/ 24" Wire - 2 Burette Brush - 1 Burette Clamp, Double - 1 Clamp Boss Head -...

Operating on 1.5 to 6 V DC, this electromagnet lifts up to 3.5kg. A current direction indicator is included for the study of the magnetic field.

Multipurpose Polypropylene molded trays can be used for sterilizing, drying glassware, porcelain ware, and other laboratory supplies. These steam autoclavable trays have tapered walls designed for nesting.

1216T40 (DCSET4): This set includes one each of acrylic, pine, nylon, and aluminum cubes packaged in a poly bag. Includes a reference table showing density values of individual specimens. 1216T39 (DCSET10): This set of 1" cubes includes one each of acrylic, oak, pine, poplar, steel, aluminum,...

The Ultrasonic Grating Apparatus is both a unique demonstration of the interaction of longitudinal sound waves and transverse light waves and also a method for the precise determination of the speed of sound in liquids, which is otherwise difficult to do in the undergraduate lab. The core of the...

21st century New York Balance is ideal for demonstrating basic physics principles including levers and center of gravity. Set includes a demonstration balance support, three knife edge lever clamps, a half meter stick, one 50g hooked weight, and one 100g hooked weight. Includes activity guide.