Havenfly Cat Calming Pheromone Diffuser with 4 Refills

Havenfly’s cat calming pheromone diffuser is listed with four refills for cat households seeking a plug-in approach to stress-related behaviour. The listing claims each refill lasts up to 30 days, but customer feedback on the calming effect is mixed.

At a glance

The listing says the diffuser releases pheromones continuously and has no noticeable scent.
The listing claims results are typically observed in about two weeks. This is a seller claim, not a guaranteed outcome.

Price

$30.59Save 15%

Reference price: ~~$35.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Four refills are stated in the product title, offering replenishment without needing to source refills immediately.
The claimed lack of a noticeable scent may suit households sensitive to strong odours.

Technical specifications

4 specifications

Dimensions and installation
Weight listed	310 g

Use and replacement
Claimed refill duration	up to 30 days
Claimed diffuser replacement interval	every 6 months
Suggested refill replacement	approximately every 30 days

What to know before buying

The listing claims suitability for cats of all ages and says the pheromone analogs will not affect humans or other pets. These claims are not independently verified.
The seller recommends using Havenfly refills with a Havenfly diffuser and replacing the diffuser every six months. The listing says compatibility with other brands may not be assured.

Who is it for?

A good fit for

Cat owners considering a pheromone diffuser for stress-related behaviours such as fighting, spraying or scratching.
Households wanting a product described as having no noticeable scent.

Less suited to

Buyers who need a guaranteed calming result or confirmed effectiveness on a specific timeline.
Buyers who need confirmed compatibility with another brand’s diffuser.

Havenfly Cat Calming Pheromone Diffuser with 4 Refills · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.5 / 5 · 41 ratings

5 stars47%47%
4 stars11%11%
3 stars11%11%
2 stars13%13%
1 star18%18%

Customer feedback describes the diffuser as good value, while reports of its calming effect are mixed. That uncertainty matters if you are buying it to address fighting, spraying or scratching. The listing’s claimed refill duration and intended use do not establish that every cat will respond.

Positive themes

Customers describe it as good value for money.

Mixed feedback

Customer feedback on the calming effect is mixed.

Frequently asked questions

How long does each refill last?

The listing claims continuous release for up to 30 days per refill and recommends replacement approximately every 30 days or when the liquid is depleted.

When might calming effects appear?

The listing says users typically observe improvements in about two weeks. Customer feedback describes the calming effect as mixed, so results are not assured.

Can I use refills from another brand?

The listing recommends using Havenfly refills with a Havenfly diffuser and says compatibility with other brands may not be assured.