Dyson CY18 Cinetic Animal Canister Vacuum, Purple/Iron (Certified Refurbished) This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a manufacturer or specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. 54 Dyson Cinetic tips vibrate up to 5,000 times per second to separate the microscopic particles that clog other vacuums The only vacuum with no filters to wash or replace, so there's no clogging and no loss of suction