Totally Tubular® modular rack includes four removable blocks that can be positioned to support four sizes of tubes. Durable polypropylene withstands freezing and autoclaving. Mixed standard colors include blue, green, red, and yellow. Complete set measures 9.5” L x 4” W x 3.75” H.

Ideal for 15 and 50 ml conical tubes; 1.5 and 2.0 ml microcentrifuge tubes; and 12 x 75, 13 x 100, 16 x 125, and 17 x 100 mm culture tubes.