PetArmor Carpet Powder kills fleas, flea eggs, flea larvae, flea pupae, and brown dog ticks hiding around your home. This flea and tick treatment for home covers 200 to 400 square feet and works for up to a year, effectively disrupting the flea life cycle. This home flea treatment starts working within 24 hours. To apply, shake powder evenly over affected areas. For maximum efficacy, allow the powder to remain in place for 24 hours before vacuuming. If you cannot stay off the treated areas for a full 24 hours, wait at least 1 hour before lightly vacuuming to remove visible surface powder.