The veterinarian recommended Comfort Zone with Feliway Diffuser forCats helps keep your kitty's curious paws at bay and discouragesbad behavior, preventing scratching and urine marking. This productcan be used during various situations, including transitioningpets, moving into a new home and the introduction of new pets orpeople into the household. Lasts up to four weeks Veterinarian recommended Drug-free formula Replace diffuser every six months; replace refills every 30days Treats 500-650 sq. ft. Ingredients: Analogue of Feline Facial Pheromone 2%, Excipients to 100 g Caution: Keep out of reach of children. Keep container tightly closed. Donot put fingers or hand into the diffuser. In case of contact witheyes, immediately flush with water and seek medical attention. Avoid contact with skin. If the product is swallowed, immediatelyconsult a doctor. Store at room temperature. Risk of Electrical Shock. Use only in properlyfunctioning 120-volt electrical outlet. Test the GFCI outlet on aregular basis. Do not use an adapter or electrical cord with thisproduct. Risk of Fire. Do not cover the diffuser. Do not placeunderneath or behind furniture. Use of other substances mayincrease the toxicity or flammability of the product. Care Instructions: Oils may collect on the diffuser over time. To clean, removediffuser from outlet and wipe with clean, dry cloth. Directions for Use: Remove bottle cap. Screw diffuser onto bottle and tighten. Plug into electrical socket in the room your cat is in themost. Replace bottle after four weeks. Use for 90 days for best results.