# FELIWAY Classic 30 Day Cat Calming Odourless Refill \(48ml\) for Pheromone Diffuser

FELIWAY Classic 30 Day refill for the diffuser helps calm stressed cats, drug-free, vet-recommended and odourless. Check price and trend.

- [Original product page](https://www.ofertitastop.com/uk/product/feliway-classic-30-day-cat-calming)
- [View offer](https://www.ofertitastop.com/uk/visit/feliway-classic-30-day-cat-calming)
- Market: UK
- Language: en-GB
- Currency: GBP
- Product updated: 2026-09-09T06:13:27.347Z
- Brand: Feliway
- Model: C23852J
- MPN: C23850J
- EAN / GTIN: 7922315299548
- SKU: ofertitastop-uk-139600
- Category: Animals & Pet Supplies > Pet Supplies > Cat Supplies > Cat Food > Prescription Cat Food
- Source store: amazon UK
- Active deal: No
- Rating: 4.6 / 5
- Reviews: 17353

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## What it is
FELIWAY Classic is a pheromone-based calming solution designed for cats and kittens. This refill is a 48ml cartridge intended for use with the FELIWAY Classic diffuser, providing steady, odourless support to help your cat feel more secure in everyday environments.

## What it helps with
The product is marketed to reduce common signs of stress in cats, such as scratching, urine spraying, fears, tension, and conflicts within multi-cat households. It’s positioned as a practical, drug-free option to support calm behaviour in the home.

## How it works
By releasing synthetic feline pheromones into the room, the diffuser aims to message safety and familiarity to your cat, potentially smoothing daily routines and reducing triggering situations. The claim is up to 30 days of continuous calming support per refill, with coverage stated as suitable for large living spaces up to 70m².

## What stands out
On the page, FELIWAY presents itself as veterinary-recommended and clinically proven, backed by long-standing expertise (25+ years) and broad household use. The odourless design is a notable point for homes sensitive to scents, and the drug-free, non-sedative angle may appeal to owners seeking a low-intervention approach.

## Practical considerations
If you prioritise a non-pharmacological approach that fits into daily life, this refill offers a simple way to maintain a calming environment without additional maintenance. However, it’s important to note that individual responses can vary, and success may depend on multiple factors outside the diffuser’s control, such as changes in routine, new pets, or environmental stressors.

## Who it’s for
This refill is likely to suit households with cats or kittens showing stress-related behaviours or territory issues, especially where a vet has recommended pheromone-based support. It may be a sensible option for homes already using a FELIWAY Classic diffuser and looking to maintain ongoing calming benefits.

## Who it might not be for
If stress signs are severe or persistent, or if you’re seeking a quick fix for complex behavioural problems, a pheromone diffuser alone may not address all underlying triggers. Owners should set realistic expectations: improvement can be gradual and dependent on consistent usage along with good environmental management.

## When it makes sense to buy
Consider purchasing a refill when you want to maintain an established calming routine or if vet guidance endorses pheromone support as part of the care plan. It can be a convenient, maintenance-friendly component of general wellbeing for calm behaviour in cats.

## When to reconsider
If your cat is unresponsive to pheromones, or if there are ongoing aggressive incidents, consider consulting a veterinarian for a broader assessment and to explore additional strategies beyond diffuser use.

## What to review before buying
- Confirm compatibility with your existing FELIWAY Classic diffuser.
- Ensure the space you intend to use the diffuser in aligns with the coverage guidance (up to 70m²).
- Set reasonable expectations about gradual improvements and the role of environment and routine.

## Practical use case
Imagine a household where a new pet or a busy home environment tends to unsettle a resident cat. Plugging in the FELIWAY Classic diffuser with this 48ml refill can create a more predictable atmosphere, potentially reducing scratching or spraying as the cat encounters familiar pheromone cues during daily activities like feeding or play.

## FAQ (cheat sheet)
- How long does one refill last? Up to 30 days in continuous use.
- Is it safe around people and other animals? FELIWAY products are described as drug-free and safe for households, however, as with any product, observe for any unusual reactions.
- Can it replace veterinary treatment? It is marketed as a supportive measure, not a substitute for veterinary advice in cases of significant behavioural issues.

## Final decision
## Should you buy it?
Worth considering if you’re already using or planning to use a pheromone diffuser to support calm in a cat or multi-cat home, and you want a drug-free option backed by veterinary guidance.

## Images

![FELIWAY Classic 30 Day Cat Calming Odourless Refill \(48ml\) for Pheromone Diffuser — 1](https://www.ofertitastop.com/i/DTcDWIGDslK5Ejfw3zZEJZ5UEU9ZeepoeQ1oUtV_d2ra4u_KcjAUUKvhzvkOASR0JDw--zXRHe_iVGANUoKm9SzeGPJ_l7fyxmhbVFVCCfEVKzttUy4PENq1xA.jpg)

![FELIWAY Classic 30 Day Cat Calming Odourless Refill \(48ml\) for Pheromone Diffuser — 2](https://www.ofertitastop.com/i/YnRfs68WNlzJrkInCJh_oo-D8afBykv1pEPCNUu-xrPGPRzz9pHCzJk2riMWpgsUTBujFoReVcpmbfEMspbiIHSGibWlGX0ZmEeCbZtyvQcFZWuPpEUlMI7sCA.jpg)

![FELIWAY Classic 30 Day Cat Calming Odourless Refill \(48ml\) for Pheromone Diffuser — 3](https://www.ofertitastop.com/i/B9llI-JrG-_ZsJm2UFYZ9MTQsHa6ARNYROKDlvslyZNDaldqMgIImsmvI9jKuPFeZX-kyI8ST-rG9X1igriQd0Ffmha91EePIL52wpwF9zi9o7-sMyf58UOAWA.jpg)

![FELIWAY Classic 30 Day Cat Calming Odourless Refill \(48ml\) for Pheromone Diffuser — 4](https://www.ofertitastop.com/i/UL--_EI1CKvBabb0Kh8cI__jhRqKYieF9dF_hvKlrmiRwGiS3VJyvnyKZuZMsAE8c_8j5tscvxF_FF3DDZy4IDutXqISr1JkLzApYd2BzDCDQlQVytpQygW8yQ.jpg)

![FELIWAY Classic 30 Day Cat Calming Odourless Refill \(48ml\) for Pheromone Diffuser — 5](https://www.ofertitastop.com/i/8VGRowgsIBt0UlAPHr0WXLRWtzXOtH0jnSp18t7y6TPuqcbf8M5tuNjWqSp0lfYilIjeaJZszLhVrRGqwoHwmE8rDYSq_Md5j9TkmMfdPAN8L44sNh3XzbrKgw.jpg)