Contains (S)-methoprene, an Insect Growth Regulator, to kill flea eggs and prevent reinfestation. Kills adult fleas in 10 minutes. Keeps killing adult fleas for up to 14 days including those emerging from the pupa. Also kills ticks. Use on carpets, drapes, rugs, upholstered furniture and pet bedding. Protects for 7 months. Treats 2,000 sq. ft.