Writing area Specified for mechanical freezing or vapor-phase of liquid nitrogen External screw cap also lessens risk of contamination due to handling Sterile 12.5 mm diameter tubes (13 mm cap) with conical or round bottom. NOTE: Not recommended for liqiud nitrogen unless sealed…

Guaranteed to be non-toxic, non-mutagenic and non-pyrogenic For cryogenic storage of cells, blood, serum and other biological specimens. Available with internal threads, external threads and round bottom, conical bottom, self-standing and non-standing varieties in sizes from 1.0 to 4.5 mL.…

Allows easy one-hand capping/opening of the tube (when used with the CryoTube rack) and improves aseptic handling 12.5 mm o.d. vials are internally threaded and have star-foot bottoms which interlock with 5151S30 Rack for one-hand operation Sterile Made for cryogenic storage of cells,…