Shark NV450 Rotator - Professional Upright Vacuum (Red) (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes a 90-day warranty - Ships Free! Enhanced Swivel Steering: Easily maneuver vacuum into corners and along tough base board areas. Longer Reach: Extra long stretch hose for the areas that are difficult to reach. Complete Seal Anti-Allergen Filter: Successfully filters 99.9% of dust and allergens with sealed HEPA filter housing. Brush Roll Control: Easily control the brush roll feature for seamless vacuuming between carpet and hardwood floors.