Harris Home Pest Control Flea and Tick Killer kills fleas, ticks and other biting insects. Can be used on rugs, carpets and pet resting quarters. The spray will kill once completely dried and continues to kill fleas and ticks weeks after application. Great value - 1 gallon allows for repeated applications on an on-going basis to effectively eliminate fleas and ticks. Odorless formula - odorless and non-staining formula will not cause damage to fabrics when used according to label directions. Extended trigger sprayer - use the included trigger sprayer to effectively treat areas where fleas and ticks are hiding. EPA registered - approved for use in homes with people and pets by the Environmental Protection Agency (No. 3-11).