Marketlab-1600 Tube Cooler with Lid, For 16mm Tubes, 1/eaMarketlab 1600 Tube Cooler with Lid, For 16mm Tubes, 1 ea The Marketlab 1600 Tube Cooler with Lid is designed to maintain low temperatures for test tubes (16 mm diameter) during transport, bench work, or short term storage. Its insulated design and secure lid help preserve samples, reagents, and biological materials without the mess of traditional ice baths. Ideal for laboratories, clinics, and research facilities where maintaining cool conditions is