Feliway MultiCat Calming Diffuser Refill for Cats, 30 day, 1 count

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At a Glance

  • Calming
  • All Lifestages

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About This Item

Details

  • A drug-free solution that helps reduce common signs of tension between cats at home, including conflict, fighting, chasing, blocking.
  • You can start to see results as early as 7 days.
  • Mimics a mother cat's natural pheromones to help restore harmony.
  • FELIWAY is vet recommended.
  • Covers up to 700 square feet. For the best results, position the diffuser where your cat spends most of his or her time, and avoid plugging the diffuser in under shelves and behind doors, curtains, or furniture.

Ingredient Information

Instructions

FAQ

Frequently bought together

Questions & Answers

44 Customer Questions

Feliway classic, multicat, and optimum all say feline pheromone at 2% in the ingredient list; why is the optimum so much more expensive and I have to buy new difusers if they all have the same amount of feline pheromone in them?

Does this help with two male cats that atent neutered?

Answer by Chewy • Mar 29, 2018
We'd recommend using the MultiCat system in the room where the cats frequent the most, it should help calm and reduce tensions.

I first saw these in my Vets office. Was skeptical, but put several around the house. (I do Cat Rescue, and have a mini cat hotel in progress) The results were noticed within a week. With so many diffusers a large economy refill bottle would be nice :)

Answer by Chewy • Jan 19, 2018
At this time, this refill is only available in a 48 milliliters bottle.

Does it matter if the outlet is higher up on the wall or does it have to be closer to the floor?

Answer by Chewy • May 15, 2018
Plug diffuser unit into the room where the cat spends the most time. Avoid plugging in the diffuser under shelves, behind doors, behind curtains, behind furniture. Doing this will impair diffusion.
Reviews
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4.4
Rated 4.4 out of 5 stars
4163 Ratings
Terms & Conditions

Customers Mention

Chewy identifies key considerations with the help of artificial intelligence and our veterinarians.

Coverage Area

81% Positive

Duration

79% Positive

Ease of Use

82% Positive

Effectiveness

79% Positive

1733 Customer Reviews

Rated 2 out of 5 stars
By Katie on Mar 5, 2026

Helpful but not safe

I have been using these over the past year to help my two cats adjust to being together. They are expensive and don’t cover a lot of square footage so you need multiple

I have been using these over the past year to help my two cats adjust to being together. They are expensive and don’t cover a lot of square footage so you need multiple for them to be effective. I have continued using them because they have helped my cats get along without constant fighting hence two stars. A few weeks ago I noticed an abnormal smell and found that one of them was leaking into the outlet it was plugged into nearly causing a house fire. Due to this safety concern I’ll no longer be using these and I am tossing the product. After doing some googling I found that many people have had similar experiences. There is also a tiny print warning on the box that says that the product is fatal if ingested. It makes me uncomfortable having something toxic at eye level with a young cat that gets into and touches everything. Obviously it hasn’t killed her yet but that doesn’t mean it won’t if she decides to touch the diffuser. The warning should really be larger and they should warn of potential safety hazards since this seems to be a reoccurring problem with the product. I’ll try the pheromone spray over this and hope for the best. It’s better than burning down my house or harming my pets.

Rated 2 out of 5 stars
By Alyssa on Mar 26, 2026

I thought this would help, it didn't.

I bought this to help my stressed out cat after hearing about it online. I've purchased 3 diffusers and each one just leaves an oily residue on the wall above the

I bought this to help my stressed out cat after hearing about it online. I've purchased 3 diffusers and each one just leaves an oily residue on the wall above the outlet. It was an awful lot and you can't change the amount of oil diffused either, so I have no use for these now. Messy and upsetting because I really would love to keep this on auto ship.

Rated 5 out of 5 stars
By Christine on Mar 13, 2026

Behavior has calmed down some

Pumpkin starts by kindly grooming Baby and slowly starts becoming aggressive - a nip here, a bite here. Eventually, he’s pinning her down by her neck and biting

Pumpkin starts by kindly grooming Baby and slowly starts becoming aggressive - a nip here, a bite here. Eventually, he’s pinning her down by her neck and biting her while she’s growling and yowling. Drives me crazy. The behavior isn’t 100% gone, but it seems to have decreased somewhat. Pumpkin is 4 and Baby is 12, so it breaks my heart for both of them to go through this. Both are spayed and neutered. At least it’s calming down for now.

Rated 5 out of 5 stars
By Jenny on Feb 27, 2026

Use for Stressful Events

We use Multi Cat Feliway to manage stressful events in our household. We begin using it prior to any anticipated stressful event, during the event and for a period

We use Multi Cat Feliway to manage stressful events in our household. We begin using it prior to any anticipated stressful event, during the event and for a period of time afterward. For example, prior to introducing a new animal to the household, when we have someone working in our home on HVAC or home repairs or whatever, or when one of our kitties is sick or post surgery. We have found the Multi Cat to be the best of the Feliway options for our household. We always have them on hand, and buy them in bulk when they're on sale. We are convinced they make a significant difference.

Rated 5 out of 5 stars
By Melissa on Feb 20, 2026

So happy I have this

I wasn't sure this was working in our old house, but we moved and my younger cat was so anxious she was hiding nearly all the time and barely ate for 5 days (little

I wasn't sure this was working in our old house, but we moved and my younger cat was so anxious she was hiding nearly all the time and barely ate for 5 days (little nibbles or treats only) I grabbed it from our old place and plugged in it, within HOURS she was out and about investigating and ate all of her food for the first time in so long. Both my cats are now freely roaming the new home and I am a happy cat mom!

Rated 1 out of 5 stars
By Aidan on Feb 20, 2026

No change in behavior

I got this to help with a new kitten we brought in off the street, as my resident cat was very territorial. After 3 months of using Feliway, it is very clear that

I got this to help with a new kitten we brought in off the street, as my resident cat was very territorial. After 3 months of using Feliway, it is very clear that these do not work like they claim. They have had zero impact on the cat's behavior. The only things that work are time and effort, I feel that these products are misleading. Very disappointed in the money I've wasted on Feliway products.

Rated 4 out of 5 stars
By joline on Mar 4, 2026

Noticeable difference

All 7 of my cats......there are always one or two who will not play nice with each other, and one that is a terror to all! This is my household. Things are not

All 7 of my cats......there are always one or two who will not play nice with each other, and one that is a terror to all! This is my household. Things are not perfect but by golly, I do notice a fairly significant difference. I have a 1200sf home and I purchased two of these, one for each end of the house.

Rated 5 out of 5 stars
By Deborah-Lynne on Mar 20, 2026

All Good

So far so good. The pee pads absorbed well. Seems more calm in the living room with the feliway. The cats are finicky, still working on their taste buds. As long

So far so good. The pee pads absorbed well. Seems more calm in the living room with the feliway. The cats are finicky, still working on their taste buds. As long as I don’t put too much in their bowls food is mostly eaten.

Rated 5 out of 5 stars
By Mikaela on Feb 13, 2026

Helped chill out aggressive cat

My boy cat has the tendency to be aggressive with his sisters even though they've been together since they were born, but I digress. The Feliway Multicat was recommended

My boy cat has the tendency to be aggressive with his sisters even though they've been together since they were born, but I digress. The Feliway Multicat was recommended by the Chewy vet chat and it was a great recommendation! He's definitely calmed down and there's a big reduction in his aggression. I'm on my second refill so I am hopeful it continues to work.

Rated 5 out of 5 stars
By Cynthia on Feb 20, 2026

Expensive

I’ve used Feliway for years. First for our elderly cat who was easily upset by other animals. And then for our new kitten and two fosters. The three get along well

I’ve used Feliway for years. First for our elderly cat who was easily upset by other animals. And then for our new kitten and two fosters. The three get along well but one of the boys gets rough with the girl. I’m a little disappointed the Feliway doesn’t work better but I’m attributing it to kitten hyper-ness.