管冷冻架,美国VWR-PCR管冷却板VWR® Benchtop PCR† Cryogenic RackSupplier: VWR International
管冷冻架Benchtop rack allows frozen PCR samples to be worked with for up to four hours at 0°C (32°F). The refreezable rack holds 0.2mL tubes, strips, and plates. As the rack warms, the color of the chilling surface changes from purple to pink to indicate when the samples need to be returned to the freezer. Rack is constructed of polypropylene and polygel and includes a snap-on lid.