Foam Test Tube Racks for 250uL & 400uL Microcentri

BioPlas Rack, Tube, Charcoal, Polyester Foam, Fits 250µL, 400µL 30 Tubes, Flame Retardant, Long Wearing, Chemical and Solvent Resistant, Float on Water Bath with Full Tube and Sample, Ideal for Refrigerated or Frozen Storage Samples, All Tubes can be Decanted Simultaneously, Low Profile, Lightweight, More Uniform Incubation, May be Used in Blood Drawing Trays-holds Blood Drawing Tubes Securely - BPLS