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FELIWAY Optimum Cat Calming Pheromone Diffuser Starter Kit

FELIWAY Optimum is a plug-in pheromone diffuser starter kit intended to help address common stress-related behaviours in cats. The listing claims coverage up to 70m² and four weeks of support per refill, while customer feedback reports both calming experiences and inconsistent results.

At a glance

  • The listing says the diffuser is intended to help with urine spraying, scratching, fears, tension and conflict.
  • One refill is claimed to provide four weeks of continuous calming support.
  • The stated coverage is up to 70m², with results claimed in as little as one week.
Price
£19.17Save 23%

Reference price: £24.99

Price checked: 12 Nov 2026

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Often bought together

Pros and cons

Pros

  • A single diffuser is claimed to cover a relatively broad home area of up to 70m².
  • The listed target behaviours make its intended role clear for cat owners considering pheromone-based support.

Technical specifications

12 specifications
Dimensions and installation
Dimensions listed11.8 x 7 x 12.7 cm; 162 g
Weight listed162 g
Product details
ModelD92110B
Pet typeCats
Life stageAll Life Stages
Item formPellet
ColourClear
Size48 ml (Pack of 1)
Number of items1
Specific usesBehaviour
Batteries requiredNo
EU energy efficiency labelA

What to know before buying

  • The four-week duration, coverage and behaviour-support statements are manufacturer claims, not guaranteed outcomes. Customer reports describe mixed effectiveness and some refills not lasting the full month. Use feedback as an indication of varied experiences, not a prediction for an individual cat.

Who is it for?

A good fit for

  • Cat owners seeking a plug-in option to address stress-related behaviours such as scratching or urine spraying.
  • Households wanting a claimed coverage area of up to 70m² from one diffuser.

Less suited to

  • Buyers seeking guaranteed behaviour changes or a consistently effective outcome based on customer feedback.
  • Buyers who do not want recurring refill costs, which some customers consider expensive.
FELIWAY Optimum Cat Calming Pheromone Diffuser Starter Kit · photo 2
Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 9,652 ratings
  • 5 stars61%61%
  • 4 stars16%16%
  • 3 stars11%11%
  • 2 stars4%4%
  • 1 star8%8%

Customer feedback includes reports that the diffuser calms cats and helps them relax, including when left alone, but effectiveness and behaviour changes are mixed. Some customers report no change or increased aggression, and refill value and durability draw concerns. These experiences matter if you are relying on the claimed four-week refill period, but they do not establish how a particular cat will respond.

Positive themes

  • Some customers report a calming effect and say their cats relax, including when left alone.

Negative themes

  • Some customers consider refills expensive and report that they do not always last a full month.

Mixed feedback

  • Customers differ on effectiveness and behaviour changes, ranging from reported improvement to no change or increased aggression.

Frequently asked questions

What behaviours is FELIWAY Optimum intended to address?

The listing names urine spraying, scratching, fears, tension and conflict as common stress-related behaviours it aims to help resolve.

How long does one refill last?

The listing claims four weeks of continuous support. Customer feedback is mixed, with some reporting that a refill does not last the full month.

How large an area does it cover?

The manufacturer claims coverage up to 70m². This is a listing claim rather than an independently verified coverage result.

FELIWAY Optimum Cat Calming Pheromone Diffuser Starter Kit · photo 3
Additional product photo 3

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