Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10

Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico and remote addresses can take longer. You get a tracking number by email as soon as your order ships.
You can return an item within 30 days of delivery, no reason needed. We email a prepaid return label; items should be unused and in their original condition. Your refund goes back to your original payment method within 10 business days of us receiving the return.
If you have a question about an item or your order, email othercenter.us@gmail.com with the product name or order number. We answer every message by email and reply within 1 business day (Monday to Friday).
FELIWAY Optimum is a three-refill cat calming pheromone diffuser pack designed to help reduce common signs of stress, with up to 4 weeks of support from each refill.
Changes in the home and everyday household life can be stressful for cats. FELIWAY Optimum is made to provide continuous support in situations involving urine spraying, scratching, hiding, fearful reactions, or tension between cats. It is suitable for cats of all ages, including homes with more than one cat. Each cat is unique, and results may vary depending on other pets and environmental factors.
FELIWAY Optimum is designed to help reduce common stress-related behaviors, including urine spraying, scratching, hiding, and fearful reactions to change. Its patented pheromone formula also helps ease tension and conflict between cats. Cat parents reported noticeable reductions in these behaviors, with a 77% reduction in urine spraying and reduced tension noticed by 72% of respondents.
Each refill provides up to 4 weeks of continuous calming support when used as directed, and one diffuser covers an area up to 700 square feet (65.0 m²). This makes the plug-in format suitable for larger living areas where ongoing support is wanted. The diffuser provides 24/7 support while in use according to the label directions.
Plug the diffuser into an open outlet with its vents facing upward, leaving at least 4 feet (1.2 m) of clearance. Follow the label instructions for use. The refill is designed for the FELIWAY Optimum plug-in diffuser format, so the diffuser needs to be in place for the product to provide plug-in support.
This three-pack suits cat households looking for ongoing support with stress-related behaviors or tension between cats, including larger living areas within the stated coverage. It is a pheromone-based, non-sedating plug-in option for cats of all ages, rather than a sedative.
Q: How many refills come in the FELIWAY Optimum Cat Calming Pheromone Diffuser Refill pack?
A: The FELIWAY Optimum Cat Calming Pheromone Diffuser Refill pack contains three refills.
Q: How do I set up the FELIWAY Optimum Cat Calming Pheromone Diffuser?
A: Plug the FELIWAY Optimum diffuser into an open outlet with the vents facing upward and at least 4 feet of clearance, then follow the label instructions.
Free standard shipping on every order to U.S. addresses, with no minimum. Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico and remote addresses can take longer. You get a tracking number by email as soon as your order ships. See shipping details.
Free returns within 30 days. You can return an item within 30 days of delivery, no reason needed. We email a prepaid return label; items should be unused and in their original condition. Your refund goes back to your original payment method within 10 business days of us receiving the return. See returns & refunds.
Damaged or wrong item? Email a photo to othercenter.us@gmail.com and we will make it right.
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