United Scientific™ Test Tube Rack w/ 24ml Capacity 12 Glass Tubes & Rubber Stoppers

Two-tier polypropylene racks hold up to 100 of 1.5ml microcentrifuge tubes. Racks are autoclavable and can be used in water baths or freezers. A molded-in alphanumeric index, plastic makes sample identification easy. Racks are stackable and have a 2-3/4" x 1" labelling area on two sides.

Reversible racks can be used for 0.5ml or 1.5ml capacity tubes. Both sides of the rack can hold up to 108 tubes, and feature alpha-numeric grid for inventory management. Included transparent lid can be used to cover either side for a clear view as well as protection of stored tubes. Autoclavable. Dimensions 8 1/2" x 5 1/4" x 2" (210 x 133 x 52mm). Pack includes one each of red, orange, yellow, green and blue racks.

Circular, high-impact plastic rack features 24 positions to hold tubes up to 20mm in diameter. Perforated bottom assists with drainage. Rack measures 145mm in diameter and 70mm tall. Shipped pre-assembled.

Sturdy, Z-shaped rack made from a single sheet of heavy gauge 304 stainless steel. Features 25 wells in five rows, to hold tubes up to 16mm in diameter. Polished, smooth surface facilitates easy cleaning and labelling.

Polypropylene rack is designed to hold six Nessler cylinders. Flat lower deck is white to provide a reflective surface. Chemical and corrosion resistant rack can be autoclaved at 121°C (250°F).