Ending today, Groupon offers the factory-refurbished Dyson DC59 Animal Digital Slim Cordless Stick Vacuum for $219.99. Coupon code "TRIPLE" cuts it to $197.99. With free shipping, that's $52 under last month's mention of a refurb and the lowest total price we've seen. (It's a current low for a refurb by $32.) Features include 2-tier radial cyclones, carbon fiber filaments, and rechargeable battery. A 6-month Dyson warranty applies.