United Scientific™ Centrifuge Tube & Rack Set, Sterile, 15ml Capacity, Amber, Pack of 500

Features: Graduations are printed in bold, easy-to-read black ink and are accurate to ±2% Large white marking area provides excellent contrast for identification Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification Convenient zip-closure bag is a practical alternative to folding and taping opened bags Foam rack is a sturdy alternative to disposable paperboard racks 50 Tubes Per Foam Rack, Case Quantity of 300

Cryo vials are designed for storage of samples as low as -196°C*. DNase, RNase, and Pyrogen-free. Radiation sterilized. Polypropylene vials feature a large white frosted labelling area, silk screen graduations, and a leak-proof High Density Polyethylene cap. Skirted base vials have an internal flat bottom. Star base and round base vials have an internal U-shaped bottom. Self-standing star base vials are designed for one-handed use with a support rack. Note : Not recommended for use in the liquid phase of liquid nitrogen. Can be used in vapor phase of liquid nitrogen.

Pack of four polypropylene boxes are designed for storage of samples as low as -90° C. Hold both internal and external threaded cryogenic vials with 1ml or 1.8ml capacity, as well as microtubes with 1.5ml or 2ml capacity. Designed to hold up to 100 vials in a 10 x 10 array. These stackable boxes provide a small, space-efficient storage system within a freezer. Include a transparent hinged lid with a secure locking closure. Autoclavable.

Pack of 250 internally threaded cryogenic vials with 4.5ml capacity and star-shaped base. Designed for storage of samples as low as -196°C*. Manufactured from polypropylene. Feature a large white frosted labelling area, silk screen graduations, and a cap embedded with a non-toxic silicone O-ring for a secure seal. Vials have an internal U-shaped bottom. Self-standing star base vials are designed for one-handed use with a support rack. DNase, RNase, and Pyrogen-free. Radiation sterilized. Note : Not recommended for use in the liquid phase of liquid nitrogen. Can be used in vapor phase ...

Pack of 8 Sturdy Polypropylene Racks, each able to hold up to 20 microcentrifuge tubes with 1.5ml or 2.0ml capacity. Racks are designed to lock side-by-side for larger experiments. Positions are numbered for easy identification of samples. Bottoms feature rubber supports for better stability. Autoclavable.