This is a used CESCO Bio-Engineering Bello Stage 3000 Culture Bath System.
The CESCO Bio-Engineering Bello Stage-3000 controls the medium level and air flow in BelloCell bottles by its internal tray periodically pushing up the bellow of BelloCell and then decompressing the bellow.
Resources:
CESCO BioEngineering -All Bellos Selection Guide v1.0 (2)
CESCO BioEngineering Bello State-3000 Culture Bath systems BelloCell Brochure v2018
Includes:
Bello Stage 3000 Culture Bath System
Cables and connectors
Financing Available