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FELIWAY® Optimum 30 Day Cat Calming Refill for Pheromone Diffuser, 48ml - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming
FELIWAY® Optimum 30 Day Cat Calming Refill for Pheromone Diffuser, 48ml - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming
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About This
- REFILL PACK INCLUDES: FELIWAY Optimum refill pack includes 1 vial; make sure to only use a FELIWAY diffuser with a FELIWAY Optimum refill (FELIWAY products have gone through thorough safety testing, and are not compatible with other brands)
- REDUCES COMMON SIGNS OF CAT STRESS: FELIWAY Optimum helps reduce common signs of cat stress such as urine spraying, scratching, fears, and tensions & conflicts. Cat owners reported a 77% reduction in urine spraying, 72% reduction in tension and conflicts, a 73% reduction in scratching, and a 70% reduction in fearful reactions to changes*
- ENHANCED SERENITY FOR CATS AND KITTENS: Featuring our patented pheromone discovery¹, FELIWAY Optimum brings the best of feline calming pheromones for improved results². It helps cats with more signs of stress, in more situations, and calms cats better than ever²
- USED BY MILLIONS OF CAT FAMILIES: FELIWAY Cat Calming Pheromone Diffusers are used by millions of families around the world to help ease their cats’ stress related behaviors; they use the science of pheromones to send calming messages to your cat to help them feel more safe and secure
- DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
- COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
- #1 VET RECOMMENDED BRAND: FELIWAY Optimum is the patented¹ formula from the #1 vet recommended brand, and is backed by 25+ years of feline stress expertise and scientific research
Overview
- Brand : FELIWAY
- Color : Translucent
- Scent : Unscented
- Recommended Uses For Product : Home
- Material : Plastic

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"It’s rare to find pet products that feel this intentional. Everything from the packaging to the soft tones felt like it belonged in our home."
Sophia J. – Portland, OR -
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"Shopping here reminded me why I love spoiling my pup. There's a calmness and care behind the selection that really shows."
Daniel W. – Chicago, IL -
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"Whisker & Co. isn’t just a pet store—it feels like a lifestyle choice. Even my friends noticed how pretty the accessories are."
Ava K. – Los Angeles, CA
FAQ
How long does shipping take?
Most orders are processed within 3–5 business days.
Once shipped, estimated delivery times are:
- USA: 3–8 business days
- Rest of the world: 3–12 business days
You’ll receive a tracking link by email as soon as your order ships.
Please note: Shipping may take longer during holidays, promotions, or due to customs delays.
Can I return or exchange an item if it doesn’t fit?
Yes! We accept returns and exchanges within 30 days of delivery, as long as the item is unused, in its original condition, and in the original packaging.
Please note:
Pet food, treats, supplements, and other edible products follow separate safety and freshness standards.
These items cannot be returned once opened or if the packaging has been compromised.
For full details, please see our Returns & Refund Policy or contact us anytime.
Please note that functional issues after delivery may be handled under the manufacturer’s warranty policy.
What if my item stops working after delivery?
For product malfunctions after delivery, warranty and technical support are handled directly by the manufacturer.
If the issue occurs within the initial return period, please contact us and we will assist you accordingly.
If you have difficulty reaching the manufacturer, feel free to let us know.
Can I change or cancel my order after placing it?
Orders are processed quickly to ensure fast delivery.
Once an order has been processed, it cannot be changed or canceled.
If you need to request a cancellation, please contact us within 30 minutes of placing your order.
Cancellation requests made within this window may be subject to a transaction fee.