Eliminates and repels fleas ticks and mosquitoes for up to 30 days. Contains an insect growth regulator IGR to eliminate flea eggs up to one month and stop reinfestation.No More visits to the vetFor unbeatable savings - up to 50% on selected items, visit http://perthdoggrooming.com.au/category/store-products/flea-and-tick-control/bio-spot-for-dogs/PS. Whether you are in Australia or Alaska, U.S or the Phillipines, we deliver everywhere - and I mean everywhere! and with our delivery rates being the lowest on the net, you'll love coming back to see what else we have on offer for you and your dog.