Virbac Knockout Area Treatment kills fleas and ticks in the home. It contains a unique combination of ingredients that kills both adult and pre-adult fleas and ticks, and even kills fleas before they grow up to bite. Nylar continues to kill fleas for 120 days (4 months) by preventing their development into the adult biting stage. It reaches fleas hidden in carpets, rugs, drapes, upholstery, pet bedding, and floor cracks. Virbac Knockout Area Treatment contains synthetic pyrethroids for quick-kill of adult and larval fleas and ticks. Protects your home from reinfestation and flea buildup. Protects your pets and family from bites. Leaves no objectionable odor or sticky mess and, used as directed, does not stain furnishings. One 14 oz. can covers approximately 2000 square feet. DIRECTIONS: for indoor use only. Fleas and Ticks: shake well before each use. Hold can 2 or 3 feet from surfaces to be treated. Be sure to apply uniformly using a sweeping motion to carpets, rugs, drapes, and all surfaces of upholstered furniture. Be sure to treat pet bedding as this is a primary hiding place for fleas. No need to remove pet bedding after treatment. DO NOT TREAT PETS. Use a registered flea control product on your pets in conjunction with this treatment. Repeat as necessary. Avoid wetting furniture and carpeting. A fine mist or spray applied uniformly is all that is necessary to kill fleas and ticks.