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🐾 Transform your home into a zen den for your cats!
FELIWAY Optimum Cat Calming Pheromone Diffuser Kit uses a patented pheromone formula to reduce stress-related behaviors like urine spraying, scratching, and hiding. Designed for multi-cat homes, it promotes harmony and calm with up to 30 days of continuous, silent, and safe operation covering 700 square feet. Trusted by vets and backed by 30 years of research, it’s the ultimate solution for a peaceful feline environment.

| ASIN | B097W651NJ |
| Additional Features | Pet-Friendly, Silent Operation |
| Best Sellers Rank | #516 in Pet Supplies ( See Top 100 in Pet Supplies ) #3 in Cat Relaxants |
| Brand | FELIWAY |
| Brand Name | FELIWAY |
| Capacity | 48 ml |
| Color | Translucent |
| Coverage | up to 700 square feet |
| Customer Reviews | 3.9 out of 5 stars 20,646 Reviews |
| Floor Area | 700 square_feet |
| Global Trade Identification Number | 00850002593105 |
| Included Components | Diffuser Kit (One diffuser, one vial) |
| Item Highlight | Advanced Support to Help Reduce Urine Spraying, Scratching, Fighting & Hiding Due to Stress. 30-Day Diffuser Supply |
| Item Type Name | Diffuser Kit |
| Item Weight | 4.8 ounces |
| Light Source | Candle |
| Manufacturer | Feliway |
| Manufacturer Part Number | D92110K |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | Feliway Optimum |
| Model Number | D92110K |
| Mounting Type | Plug-in |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Home |
| Runtime | 30 minutes |
| Scent | Unscented |
| Scent Name | Unscented |
| Set Name | FELIWAY Optimum |
| Special Feature | Pet-Friendly, Silent Operation |
| UPC | 850002593105 |
| Unit Count | 1.62 Fluid Ounces |
| Wattage | 1 watts |
D**N
5 star
Not entirely sure if it works. I bought it for my anxious cat, who has health issues to calm her. Don't really much difference. I do take it out from time to time. I have noticed 1 thing. She sleeps next to my head on the bed, near it. Every night. People complain that it leaks. It doesn't if you have it upright. Just make sure its not like in a power strip or sideways outlet. Her health has improved since I got this. So the review is whether this product works. Yes. But mile may vary. Could be your cat isnt sensitive to pheromones. Last longer then 30 days, and if you are smart, you can take the remainder liquid, put it in another bottle and make ot stretch longer. Be sure to not leave it plugged in empty.
C**Y
Excellent Product — Worth Every Penny!
Absolutely love Feliway! With six cats in our household, I’ve been using Feliway Classic for several years and have consistently noticed a positive difference in their behavior. In fact, I can usually tell when the diffusers need refilling because their activity levels and behavior noticeably change. It doesn’t sedate them, but it definitely seems to help create a calmer, more relaxed environment. I recently switched to the newer Feliway Optimum formula, and I’m already noticing encouraging improvements within the first 24 hours! I’m excited to see how the results compare with the Classic version over time. These products are certainly not inexpensive, especially when using multiple diffusers throughout the house, but the benefits we’ve experienced make them well worth the investment. Fast shipping is another plus. As a longtime Feliway customer and owner of six cats, I highly recommend giving this product a try!
L**Y
The Pascal's Wager of carpet peeing
Look, I'm not the type to leave a positive review on something that I can't prove is working, but in this case, it's a likely enough candidate to give credit where credit is (possibly) due. Our beloved eldest is perhaps the most anxious cat in existence. Before he came to live with us, he spent his youngest years being terrorized by an older, aggressive cat who would often ambush him in the litter box. He developed a lifelong fear of using it to pee (weirdly not for #2), and would try to pee literally anywhere else, be it on rugs, clothes that had fallen out of laundry baskets, hardwood, tile, cement, you name it. Any surface other than his actual box. Here's a truncated list of things we have tried to calm his anxiety/keep up with his peeing: - Different types of litters - Different styles of litter boxes - Different locations for the litter box - Litter attractants - Diet changes - Deterrent in his favorite floor spots - Enzymatic cleaners to try to remove any lingering scent - Extensive veterinary testing - Consults with behaviorists - Rewarding him when he uses the litter box (recommended by behaviorist) - Retraining in a large kennel with a litter box (recommended by behaviorist) - Calming collars - Other Feliway products - Prozac (prescribed by the vet) - Gabapentin (prescribed by the vet) Nothing worked, other than an elaborate and not entirely foolproof routine of taking him to the box personally and guarding him while he was in there. We had to do this multiple times a day, and he would still sometimes try to sneak off to do his business elsewhere. So, when we moved to a one-bedroom apartment with a lot of carpet, we were prepared to immediately lose our security deposit to his anxious peeing. We were convinced the move alone would leave him emotionally shaken to his core. We armed ourselves with some of the most highly-recommended enzyme cleaners (Rocco & Roxie), and were looking into expensive waterproof covers to put on approximately 600 sq ft worth of carpet, and then cover those with washable rugs. We were ready for battle. I called our vet to ask for a light sedative for both him and his younger brother, to make the moving day less stressful, and the tech suggested that we also get these specific Feliway diffusers. Although we hadn't had any luck with Feliway in the past, we were throwing absolutely everything we could at this, so we figured the worst they could was not work. Cut to moving day. We put both our groggy cats into the new bathroom with their litter box while the movers stomp around bringing in boxes and furniture. The second they're gone, we plug in the diffusers, let them run for an hour, and then cautiously let the cats out. Both of them are low to the ground, skittering from one room to the next in utter confusion. Eventually Anxious Cat finds a window to plop his butt in and doesn't move until dinner, but we spend the entire time watching him while we unpack, ready to jump up if he seems like he's scoping out new pee spots. By the end of the day, he hasn't used the litter box yet, and we're starting to wonder if maybe we should close him up with it in the bathroom for the night. At least there's no carpet in there. And then we realize ... we've lost sight of him. We bolt up and start canvasing the apartment, only to hear the digging of little paws in litter. Slowly, we creep to the bathroom door and peer in just in time to see him hop out of the box, giving us both a look of mild confusion as he sprints off to the window. But we weren't sure what he did. If he pooped, well, that's nothing out of the ordinary, and there was some in the box, so it could've been him or his brother. We decide to lock them in the bathroom for the night, but eventually succumbed to their piteous sobbing and let them out. Come morning, there's still no pee, but Anxious Cat is a champion at holding it until he finds the perfect spot to unleash. But finally, come afternoon, we actually manage to catch him in the act of peeing IN THE LITTER BOX. It's a monumentous occasion, and we shower him in catnip, treats and lots of play. He's delighted, and no longer slinking around with his belly to the floor. He's acting like a normal cat, cautious of his new space, but enjoying the comfort of his familiar beds and toys. It's now been two weeks, and he has done all of his business in the box, and NOWHERE ELSE in the apartment. We haven't even taken the plastic off of all of our enzyme cleaners! His anxiety is way down in general, and so is ours. We can let him out of our sight for hours at a time without worrying that soon we'll smell cat pee. This has been life-changing for him, and for us. I've never seen my little old man happier than he is now. And maybe it was just the change of scenery, the smaller space, not being able to smell the neighborhood cats who used to hang around our old house. Or maybe it's these Feliway diffusers. I honestly have no idea. But, I'm going to keep believing in their possibly magical power and keep buying the refills if that's what it takes to keep him happy, and keep our security deposit. So, why four stars instead of five, if this is (maybe) such a miracle product that has so improved the quality of life of both our cat and his human parents? Because it had ZERO effect on our younger cat. Usually, he's incredibly easygoing and adapts well to change. We weren't worried about him at all when planning the move, we figured he'd be as chill as he always is. Instead, he's been terrified and although he has no issues with using the litter box, he's spent most of these last two weeks hiding, jumping at every sound and refusing to play like he usually does. It's extremely unlike him, and it's pretty clear that the Feliway is doing nothing to help him. Which makes me think this product is very hit or miss, if it's doing anything at all. But rather than risk eternal damnation, I choose to believe in the power of Feliway, at least when it comes to our Anxious Cat (pictured above, with the carpet he has yet to ruin).
S**E
Not Working
HIstory: I have a 7 month old female who, her and 3 siblings were rescued by a friend at 4 weeks. Mom was nowhere to be found and all four were in rough shape. A plea for help went out to help foster the kits until a home could be found. I agreed to foster one, became attached and decided to keep her. She needed to be bottle fed with KMR formula, had worms and severe diarrhea. Off to the VET we went and is in perfect health today. She has been spoiled with attention, toys, love and was a very loving cat who curled up around my neck when she napped. At 4 months she started becoming aggressive by attacking my face in the middle of the night for whatever reasons and drew blood. This aggression has increased to the point where it impossible to touch her. She will launch and latch onto my hand, growling, kicking & biting as if it was prey, not let go and draw blood. When she does this it is very painful and difficult to get her loose. So now I just respect her space and still show her affection but it has to be on her terms. Calming: A friend had purchased some calming collars for their cats and gave me one. That was nothing more than a Lavender walking air freshener. The only benefit it had is that I knew what room she was hiding in because the scent was very overpowering. Into the trash that went. Feliway: Researched their website, saw that is VET approved but I had a gut feeling and I was very hesitant to purchase this for $30. But, I thought I would give this a try and perhaps it will prove me wrong. My gut feeling turned out to be correct. I have been using the diffuser for 5 days now and there has been absolutely no change with her aggression. I understand that, like human beings, all cats are different and by no means am I discrediting Feliway. Perhaps 5 days isn't enough time for her? My advice, this is a 50/50. Use your judgement or go with your gut feeling. There is no guarantee that this product will work for all cats. For the cost of refills, I will not be ordering any in the future. There is a good article to read about the product on Cats.com. One paragraph states "To make it even more complicated, most of the research showing the supposed positive benefits of Feliway products was funded by Ceva Animal Health. This is the company that produces Feliway. Whilst scientific studies are bound by strict ethical rules, the results are still harder to trust."
C**M
I Think This Actually Works!
I am extremely optimistic that this is working, and it is such a relief! At the end of September, 2025 my five-year-old cat had a tumor removed with her spleen and a kidney, additionally she spent 2 nights in the critical care unit of a pet hospital. A month later (end of October), after a full recovery from her life saving surgery, we took her to an oncologist where they did an ultrasound and x-ray to check for regrowth of the tumor, no signs of regrowth, they suggested another ultrasound in a month. We took her for another ultrasound at the end of November, no signs of regrowth. About three weeks later (mid-December) we took her to the vet again because she was licking and chewing her fur off on one side of her body. The vet did a thorough exam and gave her a flea treatment (even though she is 100% indoor but may have been bit at one of her vet appointments) and she was prescribed a short round of prednisolone to help with her inflamed and itchy skin in the area she was licking and chewing. Immediately following that last appointment, she started hiding from us and would not let us approach her. She went from being a very confident, happy, social kitty who followed us around and loved to be pet and snuggled to not wanting anything to do with us, like she didn't trust us. My immediate reaction was to take her back to the vet but I suspected her sudden change in behavior may be anxiety brought on by going to the vet so many times in a short period of time and was associating us coming close to her to getting picked up and going to the vet. I was concerned that taking her to the vet again after just going two weeks prior would potentially exacerbate her anxiety. I spoke with my vet and we started giving her gabapentin to help relax her. After a few days, she still was not acting like herself and would move away from us if we got too close, she acted very timid in general, but was not hiding any longer, it was a small improvement, but still concerning because it is not her normal behavior. The vet hospital where she stayed after surgery used pheromone diffusers in the critical care unit for cats, and although I was a little skeptical, I started to read reviews and saw enough positive reviews that made me decide to order one. That was Wednesday night, it arrived first thing Thursday and I immediately plugged it in. I don't know if it is a combination of time, the gabapentin, and the pheromones, but the noticeable difference in her after the first day was undeniable - she was more relaxed and would let us come close to her, sometimes we could even briefly pet her. I ordered just one diffuser and moved it to whatever room she was in. Because I could see an improvement, I ordered two more the next day (Friday) and they were delivered the same day - I immediately put them in each of the rooms she primarily spends most of her time. By Saturday, she started letting us pet her and give her snuggles, she still has moments where she does not want to be pet, but a huge difference. It is now Sunday, she is clearly more relaxed and she is letting us pet her give her lots of snuggles, and she is purring again. She is not 100% herself yet and we still approach her cautiously, but she is visibly much happier, relaxed, and friendlier. Based on her sudden improvement after using the diffusers, I am confident that these have worked, and it feels like a miracle. If you have a stressed or anxious cat, I highly recommend trying it. It may not have an immediate effect like it did for my sweet girl, but I would give it time, it is absolutely worth giving a try.
L**S
No discernible difference in cat’s behavior. Not cost effective for my situation.
Simply put, I have one cat that is suffering from PTSD and agoraphobia. Feliway was recommended as part of his post-surgical instructions (stress related urethral obstruction). Honestly, it’s a hard call and on how effective this is. I’ve used the spay atomizer in the past for other cats and situations without much success. I also realize every cat is different, and it doesn’t always work for every cat which is why I’m trying it once again. Since this was an outdoor to indoor cat now permanently indoors, I also needed to change the distribution method to a diffuser plugin for maximum and continuous coverage throughout the area. I decided on the Feliway Optimum diffuser with 2% feline pheromone complex (FphC). Since a diffuser covers “700 square foot area” (per the box) and I got the last one at the big box store, I ordered two additional diffuser kits with additional refills to ensure at least the back portion of the house including the master bedroom would be covered and “stress free” for 3 months. The starter kits contained one diffuser unit fitted for your typical 120 volt outlet and one liquid 48ml refill bottle (over 2 ½ times the size of your glade refill plugin). The unboxing & installation is simple as long as your outlets allow you to plug the unit in with the liquid bottle standing upright and not on its side. There is no discernible scent or it’s so faint that only cats can appreciate it. Since this particular cat also suffers from agoraphobia and the other cats are acting normally, it doesn’t appear the plugins are helpful. With the additional refills, we technically have a total of 90 days to measure for any changes. However, it was noted that the units don’t seem to last 30 days, more like 24, 24 and 25 days. I’ll extend the last refills with a timer alternating one hour on, then off to make it last twice as long. Unfortunately, the event leading up to Spike’s trauma was pretty severe (even for me) and may just take time for him to get over it. He’s still pretty afraid of everything and stays in “his” room 24/7 however, his bathroom / urination habits are back to normal as well as his eating habits. When Feliway works (per users & vets) it’s definitely well worth the price, but it hasn’t helped with Spike’s problem making it not a cost effective way of testing its effectiveness. 3 stars. As always, I’ll update this post in the event of any change.
J**A
It actually worked!
I was a little worried that this might not work because of the mixed reviews but im glad i took a leap of faith. The main thing I was seeing was that it does make a big difference on your cats if it actually works for you cat. Im assuming It might not work for certain cats because ever cat is different. My cat has had a big problem with peeing on furniture and clothes. After moving and having her inside for a week she began to pee because of stress. So I got this product to see if it worked. It really did! My cat wasn't as anxious and she stopped peeing entirely on furniture and clothing, she was actually using her litterbox! I had to move again and before bringing her to the new place, I brought the plug and put it in the room to make sure the smell would be in there before she arrived and even with moving two times in a couple of weeks she is a lot happier! I also dont smell anything from the plug in, and its easy to use. Can I personally say it would work for your cat? No, I can't confidently say that. What i can say is that I took a leap of faith and it worked out. Even if it doesn't work for your cat at least you know you tried it so you dont keep questioning about the product. So its a 5 star from me!
A**R
Give it time
We tried this as a “Hail Mary” for our two year old cat. She was snapping at her own tail, hissing, screaming, etc and the vet could not find anything physically wrong with her. We ordered the diffuser with a single bottle to try. 3 weeks in we had noticed no results. As the bottle got close to empty, my wife commented that our cat had not been acting out as much. Honestly it was a couple of days before we even associated her behavior with the product. Thinking “maybe”, we ordered a refill. 3 weeks into the second bottle and our cat has not acted out once. She is basically back to her old self and the only thing we know to credit is this product. No way I can guarantee it, but the coincidence is too convenient to ignore.
S**N
Absolut empfehlenswertes Pheromonprodukt
Sehr wirksames Produkt. Ich freue mich jeden Tag wieder, dass meine beiden Kater tiefentspannt und stressfrei sind. Danke dafür!!! 😊👍
A**N
US SPECIFICATION
BEWARE!!!! Item is not suitable for sale in the UK as it has a US plug. Return required me to send by UPS, and there isn't one locally.
E**A
Kit difusor maravilhoso
É maravilhoso. Dura mais de 30 dias. Veio bem cheio. Parece que os meus gatos estão mais calmos.
S**.
The machine broke within 20 minutes of arrival
No point in buying since damaged product with no return policy
P**O
Funciona muy bien
He probado el friend y el normal y de los tres puedo decir que este es el mejor. Aun no entiendo la diferencia pero decidí probar este por que me mudé de casa y mi gatita estaba muy nerviosa no paraba de llorar. Sin duda le ayudó mucho a las 5 horas máximo de conectarlo la noté mas relajada. Vale la pena
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