Numatic CTD900-2 Carpet Cleantec Extraction MachineNumatic CTD900 2 Cleantec Carpet Extraction Machine is often called the 'truck type' machine because of its build yet it is easy to handle. The all Structofoam construction is rugged yet lightweight, and with oversized wheels and castors you can move it easily overall surfaces, or up and down stairways. The CTD900 is the largest commercial carpet cleaning machine to incorporate the compact 'tank within a tank' design, allowing for use in confined