Ultrum Plus Kyron Labs Ultrum Ultimate Flea and Tick Spray(225ml) Vet Products Online Buy Ultrum Duration Environment Flea Spray Online ePETstore PESTICIDES CONTROL Biovet. Ultrum Duration Aerosol 350ml @ Providing effective control of adult fleas, larvae, and eggs, this long acting surface spray immediately starts killing fleas and continues to kill 100% of adult fleas for up to two months and I00% of larvae and eggs for up to six months. It's non toxic to people, plus, this can cover approximately 15 20 square metres, which is the size of an average room. A long acting surface spray for the effective control of adult fleas, larvae, and eggs. Immediately starts killing fleas. Continues to kill I 00% of adult fleas for up to 2 months and I 00% of larvae and eggs for up to 6 months. Composition Permethrin 14, Sg kg, Es bioallethrin I,2g kg, Pyriproxifen 0,4g kg. Directions For Use Eliminates all flea life stages for months (reapply once every 2 months) Let the surface dry completely before walking on it Non toxic to people One can cover approximately IS 20 m (an average room size)