SKU: 45239344513

FELIWAY Optimum Refill 48 ml (Enhanced Serenity)

$34.65 $38.50
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

FELIWAY Optimum Refill 48 ml (Enhanced Serenity)FELIWAY Optimum is the most effective solution for calming stressed cats, thanks to the latest discovery in pheromone. This advanced formula helps reduce a wide range of stress signs in various situations, offering enhanced serenity at home. Proven effectiveness with a satisfaction rating of 9. 1 10* Vet recommended a safe and natural way to help your cat feel at ease Trusted by over 14 million cats worldwide Unique patented formula Drug free and

FELIWAY Optimum is the most effective solution for calming stressed cats, thanks to the latest discovery in pheromone. This advanced formula helps reduce a wide range of stress signs in various situations, offering enhanced serenity at home.

🐾 Proven effectiveness – with a satisfaction rating of 9.1/10*
🐾 Vet-recommended – a safe and natural way to help your cat feel at ease
🐾 Trusted by over 14 million cats worldwide
🐾 Unique patented formula
🐾 Drug free and odourless

Easy to use
1. FELIWAY Optimum refill must be used with a FELIWAY diffuser
2. Plug the diffuser into an electrical socket.
3. Leave it on 24/7 for uninterrupted calming benefits.
4. Enjoy up to 30 days of continuous use from each refill.

💡For optimal results, place the diffuser in the room where your cat spends the most time.

Useful tips
✔️ Each diffuser refill covers up to 70m². For larger spaces, consider using multiple diffusers.
✔️ For optimal performance, avoid placing the diffuser under shelves, behind doors, or near curtains and furniture.
✔️ The FELIWAY Optimum refill must be used with a FELIWAY diffuser - FELIWAY Optimum Refills can be used with FELIWAY Friends and Classic diffusers.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45239344513

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4.5 ★★★★★
Based on 15 reviews
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Product Reviews
C
Verified Purchase
Computerized Nurse
Los Angeles, US
★★★★★ 5
I admit when I was wrong.
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
3/29/26 - I took the pillows and put them in my dryer on steam refresh for the default 10 minute cycle. OMG - they fluffed up and evened out to be soft and comfortable, no lumps whatsoever. If you like a soft pillow with some support, but not firm support, THIS is what you want. I am truly amazed. ================================================== Previous review---They arrived in a vacuum seal bag. When you cut the bag and they inflate, they inflate lumpy like. Some areas are thick and some have to fill so, not very good. I am going to try washing them and drying them to see if they fluff up better. Will post the results in a day or two.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
K
Verified Purchase
K
Whiting, US
★★★★★ 3
Immediate neck and back pain
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
Nice full pillows that holds its shape, BUT was NOT good head and neck support. I noticed an immediate difference. From non existent to growing neck pain in the first night’s use, through the week.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
G
Verified Purchase
Geydis Amador
West Palm Beach, US
★★★★★ 5
Soft and comfortable
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
These pillows are incredibly soft and comfortable. They provide great support while still feeling plush and cozy. I’ve been sleeping much better since I started using them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
N
Verified Purchase
Nick
Louisville, US
★★★★★ 5
Amazing - Stop Scrolling and Buy This Pillow
Size: Queen (Pack of 1), Color: White
I have been an Amazon customer ever since the very beginning, and this is my first review. Not because I haven’t purchased tons of amazing things (and a few bad ones), just never felt the need. However, I researched pillows for longer than I care to admit, and decided on this one. I’ve had it for about six months and absolutely love it. No lie, I genuinely look forward lying my big head on it after a long day. I am a side sleeper, but flip flop all around through the night and it’s great in every position. Pros: Stays nice and cool, which is soothing regardless of the time of year. Has a sort of quilted textured pattern on the zip up cover, gives it a luxury feel, that breaths nicely even when a pillow case is added. The fill is fully adjustable to your preference. I knew it came with extra filling but was worried it would not be enough. Wrong. It was very full and I ended up taking some out until it was perfect. It comes vacuum sealed and suggests it may take some time to fully take shape. However, I found it to be about 90% almost instantly and was sleeping on it a couple hours later. There was no unpleasant scent sometimes associated with memory foam items. The foam itself is very nice, a mix of what appears to be shredded and cotton candy cloud like. Very brilliant idea, as it is somehow supportive, soft and firm all at once. The affordability of this pillow compared to some of the others in this category can’t be overstated. Oh, and the packaging was very thoughtfully and securely done. If you are like me, an over thinker, I would suggest just taking this for a spin. It’s amazing. I’m not a bot, or working for the company. I’m just truly satisfied, love this pillow, and have been sleeping great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
K
Verified Purchase
k25
Lake Worth, US
★★★★★ 5
It's the perfect pillow!
Size: Queen (Pack of 1), Color: White
I purchased this pillow specifically for its customizable fill feature, which allows you to add or remove stuffing to suit your personal comfort needs. Due to the unique curvature of my cervical spine—forward at the neck rather than backward—I require a soft, semi-flat pillow rather than one that is thick or firm. Additionally, I often experience ear discomfort by morning, so a gentler surface is essential. Upon adjusting the fill, I was pleasantly surprised by the generous amount of stuffing included. There was enough to fill an additional pillowcase, and I estimate it could easily create four to five more pillows. The ability to modify the pillow’s firmness at any time is an outstanding feature that makes it adaptable for a wide range of preferences and sleep styles. This pillow has exceeded my expectations in both comfort and versatility. I highly recommend it to anyone seeking a personalized sleep experience.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026

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