Choose the brand aligned with your industry so we can best serve your needs.
For researchers, scientists, and technical professionals: Your one-stop shop for the complete range of laboratory, production, and safety products and services.
Named for their shape, bell jars are generally used to form and contain a vacuum. Bell jars are placed on a base that is connected to a vacuum pump hose and the contained air is removed by suction. Bell jars are designed to withstand the pressures associated with such vacuums.
Eliminate the risk of implosion or shattering at full vacuum with these vacuum chambers. Useful as a controlled environment for degassing operations and freeze drying, vacuum chambers are available with transparent PC or amber PEI bell jar.
Fisher Scientific Edge Order by 2 p.m. for same-day shipping. Learn More
Use these replacement plates for select vacuum chambers and bell jars. Plates are molded of white polypropylene or polycarbonate, with neoprene gaskets.
Fisher Scientific Edge Order by 2 p.m. for same-day shipping. Learn More
Use Thermo Scientific™ Nalgene™ Replacement Plate for Vacuum Chambers with Nalgene Vacuum Chambers (5305-series), Nalgene Replacement Bell Jars (DS5320 Series), or with glass bell jars up to 12.5 in. (31.75cm) in diameter. Plate is molded of white polycarbonate, with neoprene gaskets.