Ultra Perfect Plus Wet Grinder Overview. Elgi Ultra Grind Plus Wet Grinder Key Features 2 Litre capacity 149 Watts output power Inbuilt fan to cool the Motor during running 900 RPM / 1100 RPM Rated Speed the Elgi Ultra Grind Plus Wet Grinder completes your kitchen by empowering you with the ability to grind wet rice and pulses. This device takes only 25 minutes to grind Idly rice and ...