Bel-Art Round Microcentrifuge Floating Bubble Rack with Hold-Down Disk; For 1.5ml Tubes, 20 Places, Fits 1000ml Beaker

Specifically designed for incubating 1.5 ml microcentrifuge tubes, this rack includes a hold-down disk which maintains a constant pressure on the tube caps and prevents them from opening during internal air expansion.

•The polypropylene disk with threaded handle screws into the foam-filled TPX® polymethylpentene plastic rack and holds tubes firmly in place

•Rack floats while microcentrifuge tubes remain immersed at a constant depth

•Leg length: 19mm (³/₄")

•Steam autoclavable at 121ºC (250ºF)