---
product_id: 422857205
title: "Optimum 6 x 30 Day Cat Calming Refills for Pheromone Diffuser, 6 x 48ml Value Pack - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming"
brand: "feliway"
price: "€ 202.37"
currency: EUR
in_stock: true
reviews_count: 11
category: "Feliway"
url: https://www.desertcart.fi/products/422857205-optimum-6-x-30-day-cat-calming-refills-for-pheromone
store_origin: FI
region: Finland
---

# 30-day continuous calming 700 sqft coverage per diffuser 77% reduction in urine spraying Optimum 6 x 30 Day Cat Calming Refills for Pheromone Diffuser, 6 x 48ml Value Pack - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming

**Brand:** feliway
**Price:** € 202.37
**Availability:** ✅ In Stock

## Summary

> 🐱✨ Transform your home into a stress-free cat haven — because calm cats = happy homes!

## Quick Answers

- **What is this?** Optimum 6 x 30 Day Cat Calming Refills for Pheromone Diffuser, 6 x 48ml Value Pack - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming by feliway
- **How much does it cost?** € 202.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/422857205-optimum-6-x-30-day-cat-calming-refills-for-pheromone)

## Best For

- feliway enthusiasts

## Why This Product

- Trusted feliway brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vet-Backed Calming Science:** Patented pheromone formula trusted by vets for 25+ years
- • **Effortless Home Integration:** Covers large living spaces up to 700 sqft with simple plug-in use
- • **Safe & Drug-Free Peacekeeper:** Non-sedating, odorless, and safe for cats, kittens, and your family
- • **Stress-Free Multi-Cat Harmony:** Clinically proven to reduce spraying, scratching & conflicts by over 70%
- • **All-Day Serenity, All Month Long:** Each refill delivers up to 30 days of stress relief

## Overview

FELIWAY Optimum is a premium, vet-recommended pheromone diffuser refill pack designed to reduce common signs of stress in cats such as urine spraying, scratching, and anxiety. Each 48ml vial provides up to 30 days of continuous calming coverage for areas up to 700 square feet. Backed by over 25 years of scientific research, this drug-free, odorless solution helps create a peaceful environment for cats of all ages and breeds, making it the go-to choice for millions of cat owners worldwide.

## Description

FELIWAY® Optimum is our best option for reducing common signs of cat stress, such as urine spraying, scratching, fears, tension, and conflict. The patented formula in FELIWAY® Optimum helps cats with more signs of stress, in more situations, and calms cats better than ever. FELIWAY® Optimum provides up to 4 weeks of continuous calming support with each refill, helping your cat feel secure and relaxed every day. Each diffuser covers an area up to 700 square feet, it’s effective for large living areas and is suitable for cats of all ages. Easy to use, it’s the perfect way to promote your cat’s well-being and reduce stress-related behaviors.

Review: Helps my anxious cat (1+ year of usage) - I've had this product for almost a year now and have repurchased it a handful of times now and I can honestly say, for my cat, this works wonders and is truly worth the price. I was recommended this by a vet because my cat had a problem with overgrooming, and since this is a single cat household, I was told this may help ease her anxiety. Since using this, my cat has slowed her overgrooming, and has become much more social able and friendly than she was before. She's not nearly as territorial either. I've never had any problems with it leaking, it has next to no smell, and it doesn't get very hot. The only thing I will note, is that it doesn't last a full month. It runs out closer to around 20-25 days.
Review: It works - After reading reviews,I decided to give this a try. I have 5 cats and 2 of them would fight and stalk each other as well as mark territory. I had tried other things and was really going crazy cleaning up after them. This product worked for us. Within a few days of plugging it in I noticed a huge difference. The marking STOPPED and the fighting is next to nothing now. I'm relieved and it's like peace is back in the house.

## Features

- REFILL PACK INCLUDES: FELIWAY Optimum refill pack includes 6 vials; make sure to only use a FELIWAY diffuser with a FELIWAY Optimum refill (FELIWAY products have gone through thorough safety testing, and are not compatible with other brands)
- REDUCES COMMON SIGNS OF CAT STRESS: FELIWAY Optimum helps reduce common signs of cat stress such as urine spraying, scratching, fears, and tensions & conflicts. Cat owners reported a 77% reduction in urine spraying, 72% reduction in tension and conflicts, a 73% reduction in scratching, and a 70% reduction in fearful reactions to changes*
- ENHANCED SERENITY FOR CATS AND KITTENS: Featuring our patented pheromone discovery¹, FELIWAY Optimum brings the best of feline calming pheromones for improved results². It helps cats with more signs of stress, in more situations, and calms cats better than ever²
- USED BY MILLIONS OF CAT FAMILIES: FELIWAY Cat Calming Pheromone Diffusers are used by millions of families around the world to help ease their cats’ stress related behaviors; they use the science of pheromones to send calming messages to your cat to help them feel more safe and secure
- DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
- COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
- #1 VET RECOMMENDED BRAND: FELIWAY Optimum is the patented¹ formula from the #1 vet recommended brand, and is backed by 25+ years of feline stress expertise and scientific research

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09V9WC1S1 |
| ASIN  | B09V9WC1S1 |
| Age Range Description | All Life Stages |
| Best Sellers Rank | #230 in Pet Supplies ( See Top 100 in Pet Supplies ) #1 in Cat Relaxants |
| Brand Name | FELIWAY |
| Breed Recommendation | All Breed Sizes |
| Color | Clear |
| Customer Reviews | 4.4 4.4 out of 5 stars (13,049) |
| Date First Available | March 10, 2022 |
| Date First Available  | March 10, 2022 |
| Directions | FELIWAY Optimum refills provide calming pheromones continually for up to 30 days in a 700 square foot area. We recommend using an additional diffuser if the room is bigger than 700 square feet. We recommend plugging in the FELIWAY Optimum diffuser in the room where you cat spends the most time. Try not to plug the diffuser under items (e.g. shelves) or close to objects (e.g. behind curtain or door… |
| Included Components | Refill |
| Item Package Dimensions L x W x H | 6.22 x 4.02 x 3.82 inches |
| Item Weight | 15.2 Ounces |
| Item model number | D92160B |
| Item model number  | D92160B |
| Manufacturer | Ceva Animal Health |
| Manufacturer  | Ceva Animal Health |
| Model Name | FELIWAY Optimum Cat, Enhanced Calming Pheromone Diffuser, 30 Day Refill - 6 Pack |
| Number of Items | 1 |
| Package Dimensions  | 6.22 x 4.02 x 3.82 inches; 15.2 ounces |
| Size | 6-Pack |
| Specific Uses for Product | Behavior, Indoor |
| Target Audience Keyword | Cats, house-cats |

## Images

![Optimum 6 x 30 Day Cat Calming Refills for Pheromone Diffuser, 6 x 48ml Value Pack - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming - Image 1](https://m.media-amazon.com/images/I/81spD4R0T7L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Does this work better than the Classic? I feel like my cat is getting used to the Classic and it doesn’t calm him as much as it used to.**
A: I have used the multi- cat on & off for years with excellent results, but I wanted to give the optimum.  Not sure if it's necessarily better (both are equally effective for us) but it definitely works faster.  For your situation, switching to a different formula is worth a shot.

**Q: Can the same diffuser i have for the multi cat be used for this?**
A: The instructions actually say to not use another brands diffuser for the refills, and not to use another brands refills in the diffuser. It does not specifically say to not use another one of their own diffusers. I will say I used my old multi cat diffuser and it was fine and worked well.

**Q: Can this be plugged in 220v or just 110v?**
A: I believe it would only be safe to use in 110 volt.

**Q: Can you use this in a dog friendly home with two cats?**
A: You may want to contact Feliway directly for the best answer. That said, the cat pheromones shouldn't effect your dog. If your dog is a chewer I recommend plugging in somewhere the dog can't reach it since it's ball shaped (or train the dog that it's strictly off limits).

## Customer Reviews

### ⭐⭐⭐⭐⭐ Helps my anxious cat (1+ year of usage)
*by M***I on August 30, 2025*

I've had this product for almost a year now and have repurchased it a handful of times now and I can honestly say, for my cat, this works wonders and is truly worth the price. I was recommended this by a vet because my cat had a problem with overgrooming, and since this is a single cat household, I was told this may help ease her anxiety. Since using this, my cat has slowed her overgrooming, and has become much more social able and friendly than she was before. She's not nearly as territorial either. I've never had any problems with it leaking, it has next to no smell, and it doesn't get very hot. The only thing I will note, is that it doesn't last a full month. It runs out closer to around 20-25 days.

### ⭐⭐⭐⭐⭐ It works
*by J***E on January 7, 2026*

After reading reviews,I decided to give this a try. I have 5 cats and 2 of them would fight and stalk each other as well as mark territory. I had tried other things and was really going crazy cleaning up after them. This product worked for us. Within a few days of plugging it in I noticed a huge difference. The marking STOPPED and the fighting is next to nothing now. I'm relieved and it's like peace is back in the house.

### ⭐⭐⭐⭐ Diffuser is a bit messy, but it helped de-stress our constipated boy!
*by E***A on October 29, 2021*

I had tried Feliway Multicat in the past when we adopted a new kitty, and our resident cat felt his territory was shrinking. We used it in 2 different points in our 1050-sq. ft. apartment to ensure coverage, and it seemed to marginally make a difference. I wasn't exactly sold on Feliway (were these improvements coincidental?), but wasn't disappointed either (a change in behavior did occur within 48 hours of plugging the Multicat in, so... maybe?). Fast forward to this fall, and my boyfriend is out of town for 2 months taking care of family things back home. Our cat Bubba is most bonded with him rather than me, so the absence has been stressing B-Man out big-time. He became constipated, only doing his business every 2-3 days (abnormal for him). Our vet ruled out medical concerns, and all my other attempts to de-stress him did not work. Adding pure pumpkin puree to his food didn't do much, either (besides annoy Bubba that his food was tasting different). Desperate, the internet's declarations that Feliway Classic helps with stress convinced me to drive to a local pet store and get some that day. All Petco had in stock, however, was 1 refill of Feliway Optimum. I did some research on the fly on my phone, decided that Optimum's new formula of multiple pheromones in one sounded effective and intriguing, and made the sale. I kid you not, I plugged this product in on a Monday evening, and Tuesday evening, Big Man pooped. Wednesday evening, he pooped again. Thursday afternoon, more scooping action for me. 1x/day was much more Bubba's usual litterbox schedule. So I decided that, holy cow, a new product might actually work for once, "it wasn't just a scam!", and ordered 2 more on Amazon (again, full coverage for our apartment, as 1 diffuser can do up to 700 sq. ft. MAX - keep this in mind when purchasing). I 've had 2 Optimum diffusers going while my boyfriend is gone, and Bubba has been less mopey, more playful, and much more regular. I'm hoping we won't need them once my boyfriend is back, as $50/month for 2 is steep, but I wouldn't swap this out for anything, not even Feliway Classic and certainly not another brand. Plus, Amazon has it here for $25/refill, and it was $38/refill at Petco, so this is still much better!! This item gave Bubba the relief he needed, so it's worth every penny to me. Side notes: I already owned 2 of the regular Feliway diffusers from our brief stint with using Multicat - the Optimum refills DO fit into a regular diffuser, you do not need to buy the special Optimum diffuser with the LED light if you don't wish to. Also, the diffuser creates an oily film on all items directly around it - I have one in our kitchen, and had to throw away the oven mitt hanging by it because the mitt became coated in wet tacky Feliway oil which did not come out in the washing machine. They can def. be a bit messy, so clear a square foot or two directly around them. Yes, they also make a shiny film on the wall by the outlet they're in. I'll do anything for my kitty and just wipe it clean when it gets noticeable, but if you're looking at using these for the duration of your cat's life, bear this in mind. Overall: diffusers can be a bit messy, seems expensive but Amazon is actually way cheaper than anywhere else, and this product is the real deal. Just try it for a month, see if it helps. I'm sure glad that I did. <3

## Frequently Bought Together

- FELIWAY Optimum 6 x 30 Day Cat Calming Refills for Pheromone Diffuser, 6 x 48ml Value Pack - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming
- FELIWAY® Classic Cat Calming Spray, 60ml - Comforts Cats at Home and On the Go and Helps to Calm During Travel

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fi/products/422857205-optimum-6-x-30-day-cat-calming-refills-for-pheromone](https://www.desertcart.fi/products/422857205-optimum-6-x-30-day-cat-calming-refills-for-pheromone)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-23*