Polycarbonate racks feature ergonomic design for easy handling. Provides good chemical resistance. Autoclavable and withstands temperatures from -135°C to 135°C. Includes molded-in numbers and letters for easy identification of test tubes. Additional Info: Test Tube Racks, Pc, White, Pack Of 4 Package Size(L x W x H): 11.5 X 8.3 X 5.6 (IN) Categories: Racks, Test Tube HTS Code: 3926.90.9910 UNSPSC: 4.11228e+007 Country Of Origin: INDIA