Sizes: .25 cu.ft./cell – 600 cu.ft./cell (open flow); Sizes: 25 cu.ft./cell – 300 cu.ft./cell (cell-to-cell); Mild steel construction; CRS shaft; Urethane wearing parts; Cast spindle bearing housings; Machined standpipes; Abrasion-resistant steel liners; V-belt drive; OSHA-type drive guard; HSS superstructure. Options: Stainless steel construction; Urethane or rubber-lined; Automatic level control; Froth paddle assemblies; Feed/discharge/transition boxes; Launders; Support stands.