Hoover -Steam Vacuum Carpet Cleaner (Top of the line), still in box, never used, was $199.

https://hoover.com/products/details/f7412900/max-extract-dual-v-widepath-carpet-washer/

Features:SpinScrub® Technology - uses patented counter-rotating brushes to gently wash and groom all sides of the individual carpet fibers for a 360-degree clean