Kills fleas, ticks, flea eggs, flea larvae. Continuous flea protection for 210 days. For indoor use only: Sergeant's Gold Household Flea & Tick Spray kills fleas and ticks. It contains a unique combination of ingredients that kills adult, preadult fleas and flea eggs. Even kills fleas before they grow up to bite. Nylar, a unique ingredient in this flea spray, continues to kill fleas for 210 days (7 months) by preventing their development into the adult biting stage. It reaches fleas hidden in carpets, rugs, drapes, upholstery, pet bedding and floor cracks. Protects your home from reinfestation and flea build-up, your pets and family from bites. One treatment with this spray gives continuous flea protection for 210 days. Leaves no objectionable odor or sticky mess and used as directed does not stain furnishings.