Pro-Force Fly SprayPro-Force Fly Spray is a water-based, ready-to-use spray with rapid knockdown, kills & repels more than 70 listed species for up to 14 days. This non-greasy formula is safe and effective for use on horses, ponies, dogs and as a premise spray. Pro-ForceÔö¼┬í Fly Spray controls: fleasticksmosquitoesgnatsbiting fliesstable flieshorn flieshouse fliesface flieshorn fliesdeer fliesgnatsno-see-umsother insects (see label)Do NOT use on cats.