The Strike back Rapid Action Flea Killer Spray can be used throughout the home on carpets and soft furnishings to kill fleas fast! This super strength, fast flushing product has an instant knock down effect and provides long lasting residual control. Approved for professional and amateur use, this water based aerosol, containing natural pyrethrum for rapid action, kills fleas and many other insect pests. For use as a space spray, a 2-3 second burst sprayed into the air is sufficient for an average size room (30 cubic meters). For use as a surface spray, a 4-6 second burst will treat an area of one square meter. This product can be used on hard, porous and non-porous surfaces also hard and soft furnishings. Not for use on clothing and human bedding.