Numatic Scrubber Dryer Twintec TT 3450 - Yes, the first really practical, simple to use, combination machine built on a full stainless steel chassis that will revolutionize your whole thinking in terms of cost effective hard floor cleaning. Here you have a machine that is easy to use, easy to fill, easy to empty, easy to move, easy to transport and easy to service. The motor and power transmission is well and truly oversized and complimented in everyway by our high performance TwinFlo' vacuum collection system and full floating polyurethane semi-parabolic floor nozzle.