The numatic scrubber drier is a 24v battery powered machine featuring a full stainless steel chassis on board charging and built in hours meter this versatile and high quality scrubber and drier machine is ideal for use in commercial venues offering professional results the numatic ttb4045 has soft touch nutronic controls and deck tilt system that makes changing brushes extremely easy and stress free saving you time when it comes to maintaining your floors the twinflo vacuum motor provid