Feliway Classic Cat Calming Diffuser Kit for Pheromone Sprays & Plugin

FELIWAY Diffuser

Feliway Classic Cat Calming Diffuser Kit for Pheromone Sprays & Plugin 2021

After running extensive tests to determine why my rescued cats were having erratic bouts of diarrhea and vomiting, and getting back all negative results, our vet suggested I try Feliway diffusers. She explained that although undetectable by humans, the scent the diffuser releases is that …Clinically proven to help reduce spraying, scratching, hiding and other stress-related behaviors, Feliway diffuser, and sprays help comfort cats by mimicking

Feliway Cat Diffuser Review 2021: Recalls, Pros & Cons …

It can be upsetting for us humans to see our cats distressed or unhappy. Cats are sensitive creatures, so if you’ve recently moved or made a large life change, you may have noticed this having a negative effect on your cat’s wellbeing.

If your cat has started fighting, hiding, scratching, or spraying urine when they used to be calm and relaxed, then there may be an environmental change that’s causing this change in their behavior.

The Feliway Diffuser has been specifically created to help reduce or eliminate these problem behaviors. The Feliway Diffuser is made by Ceva Animal Health, well known for its use of pheromone technology to help improve the lives of domestic kitties.

Feliway Diffusers are incredibly easy to use and can be lifesavers for cat owners who are trying to find ways to help their cat feel more comfortable.

Feliway Diffuser — A Quick Look


  • Brand name: Feliway
  • Manufacturer: Ceva Animal Health
  • Model: Feliway Classic 30 Day Starter Kit Plug-In Diffuser & Refill
  • Product dimensions: 1.5 x 2.5 x 5 inches
  • Weight: 1.6 ounces
  • Pack includes: One plug-in diffuser and one 30-day refill (48 ml)
  • Area covered: 700 square feet


  • Easy to use
  • Helps cats feel calm and secure
  • Scentless for humans
  • Effective for nine out of 10 cats
  • Starts to work within 1 week
  • Clinically proven
  • Veterinarian recommended


  • Only effective over a certain area (around 700 square feet)
  • Should not be used around pet birds
  • Expensive to use continuously
  • Plug-in diffuser needs to be replaced every 6 months

Feliway Diffusers Are Veterinary Recommended

Feliway is the number-one veterinarian-used and -recommended product when it comes to decreasing unwanted feline behaviors. These include urinating outside the litter box, scratching, aggression, and more.

Each Refill Lasts for up to 4 Weeks

Once you’ve plugged your diffuser in, you should leave it on continuously and replace the refill after 4 weeks. Feliway suggests that for maximum effectiveness, you should always follow this cycle of replacement, even if there seems to be a little bit of product still left in the bottle. We assume that this is because the pheromones may have all been diffused and only solvent is left in the bottle.

Suitable for a Range of Plug Socket Designs

The diffuser bottle should always be kept upright, but the prongs on the plug-in diffuser can be rotated, meaning it’s possible to plug this into either vertical or horizontal outlets while keeping the unit upright so it doesn’t leak.

You’ll Need More Than One Diffuser for a Large Home

Each Feliway diffuser can cover an area of up to 700 square feet. With the average family house size in the U.S.A. being around 2,300 square feet, you’ll need to use more than one diffuser if you want to cover a larger area. Feliway suggests placing the diffuser in the area that your cat uses most, but if your cat is scratching in one area and urinating outside their box in another, then you might find that it is more effective to use different diffusers placed around your house. That, of course, means more expense!

How does the Feliway diffuser work?

Feliway diffusers release a synthetic, or man-made, version of the facial pheromone, F3, which cats use as a scent marker. When cats rub their faces on surfaces in their surroundings, they leave this pheromone on those surfaces. Having these in your cat’s environment makes them feel safe and secure. Feliway calls these pheromones “happy messages” and suggests that if these calming pheromones are regularly in your cat’s environment, they will feel less stressed. By diffusing a synthetic version of this facial pheromone, the Feliway Diffuser is designed to decrease your cat’s anxiety and stress levels. This, in turn, leads to a reduction in behaviors like scratching and urinating outside the litter box, which can be a sign of anxiety.

Does it work for every cat?

No. Feliway suggests that their diffuser is effective for nine out of 10 cats but from the extensive reviews that we’ve read, it may not be as high as that. Feliway has been the subject of clinical trials that have proven its effectiveness, but there are other trials out there that suggest pheromone diffusers don’t work at all.

Anecdotal evidence from thousands of cat owners suggests that Feliway definitely does help decrease stress in many cats. The only real way to find out is to try it with your own cat! If it seems to be working and is helping reduce your cat’s stress, then keep using it. If not, you may want to explore other options instead.


The Feliway Classic 30 Day Starter Kit Plug-In Diffuser & Refill is designed to help reduce unwanted behaviors and make our cats feel happier and more secure.

We like the fact that this diffuser is so easy to use. Simply plug it in and leave it to work its magic. Replace the refill once every 4 weeks, and that’s it. Most cats seem to gain a real benefit from these diffusers, so they’re certainly worth trying.

If you have a large home, you may need more than one diffuser to effectively cover the space, as each diffuser is effective for 700 square feet but not more than that. Pheromone diffusers don’t seem to work for all cats, so yours may not be positively affected.

Still, they can be a cost-effective and overall effective option for keeping your cat comfortable and happy.

1.Feliway MultiCat Starter Kit Plug-In Diffuser – Best Overall

Feliway MultiCat Starter Kit Plug-In Diffuser


Our best overall choice is the Feliway MultiCat Starter Kit Plug-In Diffuser because it will instantly alleviate tension and conflict between cats, keeping your multi-cat household in a constant state of peace for up to four weeks on one refill. Vet recommended this product is clinically proven to show results in your feline friends within just the first week. Covering up to 700 square feet, this cat pheromone diffuser works wonders in a large room or smaller apartment.

However, if you have birds, in particular parrots, Psittacines, or Budgerigars, do not buy this product. These birds have an extremely sensitive respiratory system and inhaling the pheromone chemicals could be hazardous to their health.


  • Vet recommended
  • 1 refill lasts 4 weeks
  • Alleviates tension
  • Clinically proven to calm cats
  • Perfect for a multi-cat household
  • Covers 700 sq.ft.


  • Hazardous to birds

2.Comfort Zone Calming Diffuser Kit – Best Value

Comfort Zone Calming Diffuser Kit


Designed to mimic your feline friend’s natural soothing hormones, this product is 90% effective, making it the best cat pheromone diffuser for the money. Available in three colors to cater to any décor, the Comfort Zone Calming Diffuser Kit can ease your pet in as little as two weeks. However, some cat owners reported that the product did nothing for their animals. Covering 650 square feet, this diffuser should be refilled every month.

The whole kit and caboodle is extremely affordable, as are the refills. Watch out when refilling the diffuser because it is known to spill its contents.


  • Very affordable
  • Covers 650 sq.ft.
  • 90% effective
  • Available in multiple colors


  • Does not work on some cats’ aggressive behaviors
  • Prone to spillage

3.ThunderEase Cat Calming Diffuser Kit – Premium Choice

ThunderEase Cat Calming Diffuser Kit


One of the top causes of stress for a cat is introducing another feline into the home. Since many cats are protective of their territory, the new addition can disrupt their peace of mind. With the stress can come unwanted behavior such as scratching or inappropriate marking.

Thankfully, this premium diffuser was created to solve your dilemma. Boasting a special formula ideal for your multi-cat home, this cat pheromone diffuser covers up to 700 feet. Tested to be over 90% effective, the ThunderEase Cat Calming Diffuser is the perfect way to soothe anxious animals and prevent unwanted behaviors. And with odorless substances and refills that last up to 30 days, you’ll never know you have a diffuser inside of your home.

Be careful as this device is prone to leakage.


  • Odorless
  • Covers up to 700 feet
  • Refills last 30 days
  • Plug rotates
  • Good for multi-cat homes
  • 90% effective


  • Expensive
  • Prone to leakage

4.Relaxivet Natural Cat Calming Pheromone Diffuser


Relaxivet will ease your pet’s stress fast. Made from only100% pure and safe-to-use substances, this diffuser works wonders for stressed or anxious cats and sexual hunting. Tested by vets, this product doesn’t develop resistance and can be safely used continuously for lasting results.

Some pet owners have complained about the smell that this product gives off. So, if you have a sensitive nose, this diffuser may not be for you. Additionally, the diffuser can use up the substances quickly, making you have to refill it more often than not.


  • 100% natural ingredients
  • Vet tested
  • Safe for continuous use


  • Strong smelling
  • Fast to empty out

5.Sentry Calming Diffuser


Part of PetIQ, leading pet wellness, and health company, the Sentry Calming Diffuser can easily be plugged into a socket due to the rotating plug and seamlessly fits any U.S. electrical outlet. Perfect for cats of all ages and breeds, the gentle lavender and chamomile scent isn’t too overbearing and can last up to 30 days.

This product only covers a range of 250 square feet, so it is best used in a small room or bought in multiples.Pros

  • Lasts up to 30 days
  • Gently scented
  • Rotating plug


  • Only covers 250 sq.ft.

Which Feliway diffuser is best?

Feliway MultiCat Starter Kit Plug-InFeliway MultiCat Starter Kit Plug-In Diffuser – Best Overall. Our best overall choice is the Feliway MultiCat Starter Kit Plug-In Diffuser because it will instantly alleviate tension and conflict between cats, keeping your multi-cat household in a constant state of peace for up to four weeks on one refill.

Does Feliway diffuser really work?

A: Most of the research that’s been published or presented at veterinary conferences has been done on Feliway (cat pheromones) and D.A.P. … The pheromone may reduce scratching and some types of spraying. In various studies, Feliway reduced spraying on vertical surfaces, such as walls or doors, in up to 90% of cases.

Which works better Feliway or comfort zone?

Conclusion. Feliway is the better option out of these two diffusers, mainly because it’s clinically proven to work in nine out of 10 cats and it gets more positive reviews than the Comfort Zone. It also covers a larger area of your home.

FELIWAY Diffuser
FELIWAY Diffuser

What is the difference between Feliway and Feliway MultiCat?

Regular Feliway is a synthetic pheromone that mimics the one cats rub on furniture/you to claim territory and mark it as their “happy place”. This makes them calm, less stressed in their environment. The multicat is a synthetic version of the mother cat’s pheromone that she releases when nursing.

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