United Scientific™ Multi Combination Rack, Assorted, Pack of 4

20 Racks of 25 Polypropylene tubes with conical bottoms and 50ml capacity. Blue HDPE leak-proof screw caps included. Centrifuge tube and rack sets are a convenient solution for organizing and storing conical bottom tubes. Racks are made of expanded polystyrene (EPS) and include holes arranged in a zigzag format for easy dispensing. Tubes have an outer diameter of 29.2mm and are 114.3mm tall. Tubes and caps feature specially-designed flat threads for vacuum-type closure that is leak-free at a pressure of >700mm Hg. Highly smooth hydrophobic internal surfaces minimize wall effect. ...

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.

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 ...

Manufactured of strong polycarbonate, these boxes are ideal for compact storage of 2.0mL cryogenic vials. Boxes can be used at temperatures from -196°C to 121°C and are autoclavable. Transparent lids have a numbered grid for sample identification. Frosted surface area is suitable for writing with markers. Dimensions of cryo boxes are designed to be compatible with vertical, horizontal, and drawer style freezer racks. 66303 includes an assortment of red, yellow, and blue colored boxes.