Amgrow Patrol 500 ml Ant Spider Cockroach Concentrate is a low odour product which can be used in both indoor and outdoor situations. It will keep working for up to two months. Will control ants, cockroaches, spiders, fleas, silverfish, bedbugs and carpet pests. Patrol Ant Spider Cockroach Concentrate How to use: Mix 25 mL in 1 litre of water. Spray until surface is evenly moist. Suitable for indoor and outdoor use. Consult label for full details. Ants, Spiders Cockroaches: Spray into cracks and crevices cupboards and under kitchen appliances. Full details on back of bottle. Carpet Beetles, fleas: Spray skirting boards, carpets, under furniture and around entrances Silverfish, Clothes Moths: Spray all surfaces inside wardrobes and cupboards. Ingredients: Permethrin.