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The Bel-Art Space Saver Vacuum Desiccator Cat. No. 420120000 is composed of clear, shatter resistant polycarbonate unit that can store a vacuum or stay sealed even if not under vacuum. Degas liquids quickly and easily in the laboratory or classroom with this small plastic vacuum desiccator. These strong, shatterpoof units provide dry storage and protection for sensitive products. Lighter and less costly than similarly sized glass models they will not chip like glass and hold a full vacuum (29.9" Hg)at room temperature for 24 hours. All units have a 'Flat Dome', clear polycarbonate top with large ribbed knob that maximizes interior clearances and provides an average or 13% greater interior volume over standard hemispherical domes. They include a 0.32 cm (1/8") thick performed plate under which disposable or reusable desiccant can be placed on or under. White polypropylene bottom models can support incandescent crucibles. Clear polycarnonate bottom models offer increased viewing visibility from more angles. 

Specifications:

• Plate: 140 mm
• Diameter: 149 mm (5-7/8")
• Temperature range: 0° to 41°C (32° to 105°F)
• Base: Clear
• Quickly dries samples, removes moist air from chamber environment, and degases parts and samples