October 23, 2015 by: This post may contain affiliate links56% Off Select Rowenta Delta Force Vacuum Cleaners! Today, Oct. 23 only, you can snag 56% off Select Rowenta Delta Force Vacuum Cleaners. This vacuum is highly rated with 4.2 stars and over 350 reviews. That make this Rowenta RH8548 Delta Force Lightweight Cordless Bagless Vacuum Cleaner only $79.99 (Reg. $249.99!). Wow!