What is the advantage of turbo blower compared to roots blower?

Turbo blower and turbo blower aerator is high speed centrifugal blower, which is specially designed and developed for sewage treatment and waste water treatment, shrimp farming and fish farming in aquaculture industry, air knife blower system and drying system, cement industry, etc, it has been the the most efficient blower by saving 50% electricity bill more than traditional roots blower.