The standard for cryogenic storage, this 81-well rack works with all 0.5, 1.5 and 2.0 mL cryovials. The 9 x 9 matrix rack is designed to replace 5 1/4” x 5 1/4” cardboard freezer storage boxes. The storage rack holds up to 81 tubes and comes complete with a clear polypropylene lid and…