Extra-large scienceware desiccator cabinet provides a low humidity, dust free environment for several large moisture-sensitive material containers or a lot more small ones!! clear on all sides for quick visualization of desiccator contents rugged copolyester side and top panels and polycarbonate door and rear panel for long life pull-out, perforated acrylic shelves 2 included allow maximum air circulation and have built-in stops to prevent accidental tipping; maximum weight per shelf: 10lbs 4.5kg shelves are removable to allow use as a single, spacious chamber for specific storage needs; cabinet can hold up to seven shelves spaced 2 apart; extra shelves sold separately f43000-0001 desiccant sold separately can be placed below bottom shelf; recommend use of scienceware desiccant in a cartridge f42045-0250 door hinges located on right side