RPI Lab Companion Vacuum Desiccator, Clear, 20 Liter

These high-quality vacuum desiccators stay gastight allowing reliable dry storage or experiments over extended periods. Able to maintain 29in.-Hg vacuum for over 72 hours at room temperature, they provide vacuum integrity resuLting in lower maintenance and greater peace of mind.

• Viton 3-way valve offers consistent and uniform vacuum draw, vacuum release, or gas exchange
• Vacuum level checking is simplified with a built-in analog vacuum gauge at the top of the unit
• High-quality silicone O-ring and specially designed locking ring allow outstanding vacuum capability with virtually no leakage
• Transparent polycarbonate construction is durable, easy-to-clean, chemical-resistant, and allows quick visualization of the desiccator contents
• Locking ring secures top and bottom halves when vacuum not in use; provides additional convenience and safety when moving the unit
• Includes desiccant tray
• Use with any vacuum with free air capacity of 1.5 cubic feet per minute (CFM) or greater