When in cats has a flea problem are Fogger unabkömmlich.Ich took place the commercial from TA. And as the Trixie Umgebungsspray.Nach 2 doses be had with the vermin then erledigt.Das product is absolutely not a bad buy. And is in a very good price / performance ratio. Economical dosing according to package instructions just fine aus.Es but to bear in mind that you do everything from the beginning right muss.1.Katzen protect Advance 2. Fogger of Bephar 3.Saugen, suck, suck 4. Spray Trixie are for repeated Nachanwendung then the Rest.Für me the best spray ....