Harris Flea & Egg Killer, 14oz Aerosol Spray with 7-Month Residual for Carpets, Furniture and More Powerful Spray - Aerosol effectively sprays deep into cracks and crevices where fleas, ticks and lice are hiding Long Residual - Continues to kill fleas for up to 7 months after application Insect Growth Regulator - Prevents fleas from reproducing and prevents the hatching of eggs EPA Registered - Approved for use in homes with people and pets by the Environmental Protection Agency (No. 1021-2581-3) Versatile - For use on carpets, furniture, drapes, along baseboards, in closets, and more.