United Scientific™ Microcentrifuge Tube Rack, 24 Places, White, Pack of 8

Floating microtube racks are ideal for thawing, cooling, or incubating samples in water or ice baths, at a wide range of temperatures from -70°C to 100°C. Tubes are supported below the lip while conical ends are immersed in water. Racks feature a handle for easy removal from water bath, as well as a molded-in alpha-numeric grid for identification of samples. Sold In Pack of 12.

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 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 ...

Circular, high-impact plastic rack features 24 positions to hold tubes up to 20mm in diameter. Perforated bottom assists with drainage. Rack measures 145mm in diameter and 70mm tall. Shipped pre-assembled.

Economical yet very durable racks that are submersible, autoclavable, and easily stack when empty. Made from a special blend of polypropylene (PP) that makes them sink in a water bath and maintain their stability, even in agitated water. The top tier features an alphanumeric grid reference.