Bel-Art Snap Cap Styrene Vials 175750030, 30 Dram (111ml), Clear, White Cap, 72/PK

The sealer cap on these low density polyethylene dispenser bottles snaps on easily and continues to hold a tight seal even after repeated use. Tip opening is 0.76mm (0.030")

Constructed of glass-clear styrene for complete visibility, these vials are excellent for storing dry materials, powders, tablets, and other samples. Heavy, rigid-wall construction ensures long service Can be used at temperatures from -20 to 70°C (-4 to 158°F) Supplied with tight-fitting, polyethylene snap-on caps Available in nine (9) sizes from 3 dram (11ml) through 40 dram (148ml)

MTC™ Bio's new 5ml MacroTubes® scale up the conveniences of standard 1.5ml tubes for larger volumes. These polypropylene tubes come with an attached cap that provides a tight, leak proof seal, and can also be opened (or closed) with one hand. The cap is designed to provide a secure seal from -86°C to +80°C. Features: Compatible with standard equipment Easy-open flip top Syringe port in cap Unsurpassed Clarity Dual graduations at every 0.2ml and 0.5ml

Avoid outside contamination with this highly accurate closed system. Borosilicate glass burettes have white 0.1ml graduations and are mounted to a high-density polyethylene screw cap. Squeezing the flexible polyethylene bottle forces liquid into the burette. Built in overflow automatically drains excess liquid back into reservoir. The glass stopcock has a 2mm bore. Large, stable plastic base can be detached from reservoir. Accuracy of burette is within 1% of total volume. Graduation accuracy is Class A.

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in bright attractive colors for sample identification purposes. The caps feature two thumb tabs for easy removal of the cap.