Bob Martin All in One Flea Spray for Pet and Home is ideal for removing unwanted visitors to your pets coats. Visitors that could turn nasty! potentially causing allergic reactions dermatitis anaemia or worms to names a few. The spray can be used to protect your home for up to 4 weeks at a time. It does this in a unique way - by immobilising the fleas / ticks and thus serving to prevent new infestations. A really effective spray that is worth the investment if you have any problems with fleas or ticks.