Cellular Concrete Technologies Model 300

Model 300 custom-designed air-entrainment machine ensures ready-mix and precast producers achieve required air content every time, at little to no added expense. Users can predictably add, entrain, and maintain air content in virtually all typical conditions and for most needs. The heavy-duty, large production model is designed for medium to large size producers. Cellular Concrete Technologies. 877-828-1954. www.cellularconcretetechnologies.com