Flowbee Haircutting System Money-saver for the entire family ! Over a million satisfied customers have used it for years. Provides a precise haircut every time. Flowbee System attaches to a vacuum cleaner (not included, needs to be 3 hp or 8 amps to pull hair through the cutting blades.) Can cut as short as 1/2", long as 6". Short layered, wedged, tapered and single-length cuts. Includes: Flowbee head with hose; AC 120V transformer; 10 spacers for desired hair length; Bottle of lubricant; Universal vacuum hose adapter; User's guide, start saving cash on cuts now! Flowbee Haircutting System. Spacer color may vary.