★ Long vacuum maintenance time. Very practical
★ Avoid using sealing lipid. The top and bottom parts of the vessel are sealed with silicone rubber rings
★ High quality plastic sealing ring seal, no grease, better sealing effect.
★ Micro-adjustment of air inlet, the valve adopts precision needle valve, which can micro-adjust the air inlet.
★ Convenient and simple pipeline connection, the use of ambient temperature -25 ℃ - 120 ℃.
Specification:
Material: Polycarbonate
Color: transparent
Inner diameter: 250mm
Outer diameter: 277mm
Overall height: 315mm
Partition diameter: 230mm
Package list:
1* Vacuum Desiccator Jar