Office Products" /> Unaffected by organic solvents, salts, weak acids and weak alkalis Square holes, three decks, a slotted grid bottom and reinforced edges Withstands a temperature range of -223C (-369F) to 121C (250F); can be autoclaved Overall measurements: 24.2 x 13 x 6.4cm (9-1/2 x 5-1/8 x 2-1/2") Blue; holds 72 tubes from 15 to 16mm