With variable speed regulator box for day and night use, compact, reverse forward facility, long lasting and maintenance free, as good as flame proof, consumes low electricity 12 V D.C. no shock hazard, Best stirrers. Runs on single phase AC 50 to 230 volts Aarti group alone bought 100 stirrers in 18 months time. Also useful for Pilot Plant from Mdl 4A onwards.