Classic Diffuser Refill

Size: 1 pk (30 Day Supply)
Sale price$34.99
In stock
Subscription & loyalty

FELIWAY Classic Refill

Use FELIWAY CLASSIC Refill every month to continue to create a loving and comfortable home where you and your cat will always be ‘Happy Together’.

  1. Nurtures your relationship with your cat, by creating a loving environment at home. Continuous effect, provides constant comfort for your cat.
  2. Clinically proven, veterinary used and recommended



  • FELIWAY CLASSIC Refills for use with FELIWAY Diffusers only (sold separately).
  • EASY TO USE: Plug the FELIWAY CLASSIC Refill & Diffuser (sold separately) in an open area where your cat spends most of its time and leave it plugged in continuously. Replace refills every 30 days.
  • VETERINARIAN RECOMMENDED: Use FELIWAY CLASSIC Diffusers & Refills (sold separately) to constantly comfort and reassure your cat at home, help your cat adjust to changes in their environment and avoid signs of stress like urine spraying, scratching or hiding.
  • HOW FELIWAY CLASSIC WORKS: Happy cats mark their territory as familiar by rubbing their face against corners, furniture, people or other cats. By doing this, they release a "happy message" called the feline facial pheromone cats find reassuring. FELIWAY CLASSIC Refills & Diffusers (sold separately) send “happy messages” to cats, making them feel good and comfortable at home.
  • CATS FIGHTING? Try FELIWAY FRIENDS Diffuser & Refill --- specifically formulated to reduce fighting, tension and conflicts between cats and promote harmony in multicat homes. From Ceva, the makers of FELIWAY cat pheromone products.






Easy to use

  • Just plug and play: screw the bottle onto the diffuser unit and plug it into an electric socket.
  • Leave the diffuser plugged in continuously.


Good to know

  • FELIWAY CLASSIC Refill requires a FELIWAY CLASSIC Diffuser
  • Refill lasts up to 30 days (48 mL)
  • Each diffuser refill covers an area up to 70 m2 (750 ft2)
  • Avoid plugging in the diffuser under shelves, behind doors, behind curtains, behind furniture, as it will not work




  • FELIWAY CLASSIC Diffusers and Refills are sold separately.
  • Use the peel-off sticker on each FELIWAY Classic Refill bottle to remind you when to check and replace the bottle
  • The diffuser should be checked monthly and replaced every 6 months to ensure optimum effect
  • More information on how FELIWAY Classic works




Product Description

FELIWAY CLASSIC Refills, for use with FELIWAY CLASSIC Diffusers (sold separately), are a clinically proven pheromone solution to help comfort and reassure your cat at home. The diffuser and refill works continuously to help cats and kittens adjust to changes in their environment, feel comfortable in a new home and avoid unwanted behaviours like urine spraying, scratching and hiding. Trusted by veterinarians and pet owners worldwide for over 20 years, more than 11 million cats have benefited from FELIWAY cat pheromone products.

How soon will it start working?


  • Best results are typically seen after 3-4 weeks of continuous use
  • Some cats show improvements as soon as the first 7 days


How to use:


  • Plug the diffuser and refill in right side up in an open area where your cat spends the most time
  • Keep diffuser plugged in continuously – replace refills every 30 days, replace diffuser device every 6 months
  • Allow 1.2m (4') clear distance above the diffuser
  • Each diffuser and refill covers up to 70m2 (750 ft2)


How NOT to use:


  • Do not unplug or switch off the diffuser at night
  • Do not plug in sideways or upside down (see images)
  • Do not plug below any object, under furniture, near open windows or air vents
  • Use only in 110-120 volt outlets; never use with extension cords, adapters or voltage converters
  • Use only FELIWAY Refills with FELIWAY Diffusers; do not use with any other refill or device


Additional tips


  • Allow up to 24 hours for full diffusion of FELIWAY CLASSIC "happy messages"
  • If your cats are fighting AND showing signs of stress like urine spraying or scratching, use both FELIWAY CLASSIC and FELIWAY FRIENDS


Visit for more information and advice. Read product insert before use.

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