Heathrow Scientific* Adjustable Shelf Test Tube Rack

This easy-to-assemble rack is made of high density polyethylene. Breaks apart for storage. Holds 12 tubes up to 25 mm in diameter. Freezer and cyrogenic safe up to -100°C. It is resistant to most common laboratory chemicals and can be chemically sterilized. Do not autoclave. Dimensions (L x W x D): 8.9 x 2.75 x 4.75 in.