Profile: United Scientific Products, Inc produces & supplies pipette tips, microtubes, PCR tubes, tube racks and lab gloves. All of our pipette tips are developed using the highest quality virgin polypropylene available in the industry and molded to exact standards to ensure precise measurements. We offer a complete line of microcentrifuge tubes and PCRŽ tubes, including the standard & newest colored microtubes featuring reference lines for volume guides and frosted areas for writing IDs. Our PCR tubes are designed for optimal fit with all leading thermal cyclers.