It's environmentally friendly. Using heat to zap the weeds, and they don't grow back. Easy and safe operation Unique cylinder locking to prevent leakage Ergonomic handle design Environmentally friendly; no hazardous chemicals Cordless; lightweight Adjustable flame, economical to use Heat blast permanently destroys plant cell structure Ideal for de-icing pavements, de-freezing brass water pipes and lighting BBQ grills PLEASE NOTE, GAS CANISTER MAY DIFFER. Without the need for toxic chemicals, this garden torch blasts the plants with intensive heat that instantly destroys the weeds' internal cell structures causing them to wither and die within 1-2 days. It leaves the garden completely safe for children and animals immediately after use., Weight: 2.645547144 Pounds, Manufacturer: Greenfields