This weed burner is manufactured with a unique gas cylinder locking design to prevent leakage & a piezo ignition for easy & safe operation. The flame is adjustable for economical use & the heat blast will permanently destroy plant cell structure. It is environmentally friendly as uses no hazardous chemicals & is also ideal for de-icing pavements, de-freezing brass water pipes & lighting fireplaces etc. It should only be used with high quality butane gas fuel & should only be operated outside & in well ventilated areas. CE Approved.