Hoover offers its Zen Whisper Multi-Cyclonic Canister Vacuum, model no. SH40080, for $139.99 with free shipping. (Apply coupon code "SUMMERSALE" if you don't see this price.) That's $10 below our April mention and the lowest total price we've seen. (It's a current low by $59.) It features a HEPA filter, auto cord rewind, 6.5-foot hose, and motorized nozzle. Deal ends July 29.