Hoover Allergen Filter for Commercial Bagless WindTunnel™ Upright Vacuum Commercial Bagless WindTunnel™ Upright Vacuum, Allergen Filter, Replacement Belts • UL Approved • Meets OSHA specifications • Manufacturer’s one-year commercial warranty on parts and labor • Patented WindTunnel™ technology picks up more dirt than any other clean-air upright • Allergen filtration traps 100% of dust mites/eggs and 99.98% of ragweed and common grass pollens Powerful 12.0 amp motor. Features 13" cleaning width with edge groomers, four-position carpet height adjustment (one for bare floors), non-marking furniture guard, rubber wheels, handle release for cleaning under furniture and headlight. On-board tools: triple-stretch hose, dusting brush, crevice tool, furniture nozzle and two extension wands. Comfort grip handle and built-in carrying and stair cleaning handles. Allergen Filter For Commercial WindTunnel™ Upright Vacuum (HVRC1701900), sold separately.