High Performance: Air volume and air speed up to 550 CFM/127 MPH Powerful Engine: The 31 cc 4QL 4-cycle full crank engine provides strong power with low vibration Ease of Use: Patented 4QL Technology (Quantitative Lubrication) 4-cycle engine requires no mixing of gas and oil, and provides all-directional use, which means no stalling or oil leakage and keeps the motor lubricated in any direction Mulcher Capability: Reduces debris at 10:1 ratio – great for composting into garden or flower beds Vacuum Capability: Heavy duty vacuum kit included with 1.4 bushel collection Maneuverability: 4QL engine is 20% more compact and lightweight; Dual grip handle allows for easier blowing and vacuum control Eco-Friendly: 4QL technology delivers low emissions and low fuel consumption Includes: Collection bag, spark plug wrench, 2 oz bottle of engine oil Warranty: 3-year limited warranty for peace of mind Not available in California