# TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack

TopSum TS03 is a three-pack dog calming pheromone diffuser intended for use in the home. It plugs into a standard electrical outlet, and the listing claims coverage up to 700 square feet. The claimed calming effect and approximate two-week timeframe are manufacturer statements, not guaranteed outcomes.

- [Original product page](https://bargainpostbox.co.uk/product/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [View offer](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: TopSum
- Model: TS03
- Category: Pet Supplies &gt; Pet Grooming & Health &gt; Pet Health
- Price: 23.72 GBP
- Previous price: 39.97 GBP
- Discount: 41%
- Price checked: 2026-11-14T19:38:39.414Z
- Rating: 4.1 / 5
- Reviews: 110

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

## At a glance

- Plug-in diffuser described as using natural pheromones and being drug-free.
- Listing claims coverage of up to 700 square feet when positioned with vents facing upwards and unobstructed.
- Manufacturer says results may become noticeable in about two weeks, without guaranteeing an individual response.
- Refills are described as replaceable. The listing does not specify their number or duration.

## Pros

- Three-pack format may suit placing diffusers in more than one area, subject to the individual units and package contents matching the listing.
- Outlet-powered design avoids battery replacement.
- The stated coverage figure and placement guidance give buyers a practical starting point for room positioning.

## Specifications

### Identity and use
- Model: TS03
- Specific use: Dog
- Pack size: 3 Pack
- Colour: Purple
- Batteries required: No
### Dimensions and installation
- Listed weight: 420 g
- Package dimensions: 15.6 x 10.9 x 9.9 cm; 420 g

## Before you buy

- Coverage up to 700 square feet, placement instructions and results in about two weeks are manufacturer claims. The listing gives no refill count or refill life, so confirm these details if they affect your purchase.

## In the box

- Three-pack diffuser set (Check selected pack): The title and listing claim a 3-pack, but no explicit package inventory confirms which components are included.

## A good fit for

- Dog owners considering a plug-in pheromone option for home use around stress triggers such as visitors, loud noises or fireworks.
- Buyers seeking a multi-pack format and willing to assess whether the diffuser suits their dog over time.

## Less suited to

- Buyers who need a stated refill lifespan or a clearly itemised package inventory before ordering.
- Anyone seeking a guaranteed response or a substitute for veterinary advice about persistent anxiety.

## Customer feedback

Customer feedback reports perceived calming effects for some anxious dogs and positive views of value, while effectiveness is also described as mixed. That variation matters because the diffuser's claimed coverage and two-week timeframe do not establish how an individual dog will respond. Aggregate ratings are mostly favourable but include a notable middle and lower-rating share, so outcomes appear not to be uniform.
- Positive themes: Customer feedback highlights perceived calming effects and value for money.
- Mixed feedback: Feedback describes effectiveness as mixed, so buyers should not assume the product will work equally for every dog.

## Frequently asked questions

### How much area does the listing say it covers?
The manufacturer claims coverage up to 700 square feet. It advises placing the diffuser where the dog spends time, with vents facing upwards and not obstructed.
### How soon might it have an effect?
The listing says noticeable results may appear in about two weeks. This is a manufacturer claim, not a guaranteed timeframe or outcome.
### Are refills included, and how long do they last?
The product description mentions replaceable refills, but it does not state their quantity or lifespan. Check the selected listing for those details.
### Does it require batteries?
The specifications say batteries are not required, and the product description says the diffuser plugs into a standard electrical outlet.

## Alternative options

- [TopSum Dog Calming Plug In: Premium Pheromone Diffuser for Dogs - Dog Calming Diffuser, 2 Pack \(Purple\)](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [WOTOBVZ Dog Calming Plug in, Relaxants & Anxiety Relief Therapet Diffuser for Dogs, 4 in 1 Dog Calming Diffuser Pheromone Equipped with 1 Diffusers+3 Refills](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [TopSum Cat Calming Plug-in: Premium Cat Pheromone Diffuser - Pet Plug In Calmer - Calming Diffuser Promotes Relaxation & Well-Being \(3 Pack\)](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [TopSum Cat Calming Plug-in: Premium Cat Pheromone Diffuser - Pet Plug In Calmer - Calming Diffuser Promotes Relaxation & Well-Being, 2 Pack](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [Omni Calming Pheromone Diffuser for Dogs - Odourless Starter Kit \| 2 x 48ml Refills Included - Covers 700 Sq Ft - Up to 60 Days Supply - Inspired by Nature](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [Eden & Hound 60 Day Dog Calming Diffuser Starter Kit \| Plug In Pheromone Diffuser for Dogs \| 2 x 48ml Refills, Pheromone Support for Fireworks, Home Alone and Everyday Stress](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [ERERMAB 9 Pack Dog Calming Pheromones Diffuser - 180 Day Supply with 3 Plug Ins & 6 Refills \(48ml\) - Anti-Anxiety Relief for Dogs, Calms Barking, Separation Stress & Travel Anxiety](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [TopSum Cat Calming Plug-in Refills: Premium Cat Pheromone Diffuser Refills - Cat Plug In Calmer Refills- Pet Calming Plug In Refills for Cat Anxiety Relief, 6 Pack \(Light Purple\)](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [ROVOTOBO Therapet Diffuser for Dogs, 6-In-1 Dog Calming Plug In, Relaxants & Anxiety Relief Equipped with 2 Calm Home Diffusers+4 Refills, Calming Plug In Reduce Stress Adapt for Dogs](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [Adaptil Calm Home Diffuser For Dogs With 30 Day Refill, Adaptil Dog Calming Plug In Pheromone Diffuser To Help Reduce Anxiety And Stress In Pet Dogs, Pet Diffuser Helps Anxious Dogs Stay Calmer](https://bargainpostbox.co.uk/visit/adaptil-calm-home-dog-diffuser-48ml)
- [XPJBKC Dog Calming Plug In, 4-In-1 Therapet Diffuser for Dogs, Dog Calming Diffuser with 1 Diffuser + 3 Refills, To Help Reduce Anxiety And Stress In Pet Dogs, 90 Day Long Lasting Refill](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)

## Add-ons

- [Calming Dog Treats, 150 Count Hemp Calming Treats For Dogs \| Reduce Stress, Fear, Separation Anxiety, Barking, Hyperactivity,](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)
- [Beaphar – StressLess Herbal Calming Spot-On for Dogs – Reduces Stress & Anxiety at Home and On-the-Go – With Valerian Extract](https://bargainpostbox.co.uk/visit/topsum-ts03-dog-calming-pheromone-diffuser-3-pack)

## Images

![TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack — 1](https://bargainpostbox.co.uk/i/IKGe3Zkfyk-OqQ1lU3sPWoWevcr207-546ClSNPAN40vT6JRUvgp4aUSiHum4crZi3DVe8lhUNb3o6mVny-ITnTwKwMn3wP2cgpszabNGxxe4uM-mEfDx2Oq.jpg)

![TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack — 2](https://bargainpostbox.co.uk/i/EDNB_VxXeeLC87rFztl9E_NlKQ2mGKj-2Sk_KocQPFY3a8lVb6oHkHRSZ58CueunJ7xVBgQ1ioFj5_7Krm-BOm63T8LWQBLrw9DkwkBldOUvo_3EZqESJ1m_.jpg)

![TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack — 3](https://bargainpostbox.co.uk/i/Y_2PlCT2ZfGKNr7j3PNDPPAkw9PPpwa8q6jeXZdkBJTSNHcvQHLHH9SkJItE-HVf3irhbEcE93xj30tNnHtXfpI30n2KglLhb18lqN8J2Ob9FRQnmnIQ9Etu.jpg)

![TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack — 4](https://bargainpostbox.co.uk/i/MxZu51CbEuU5Ic4LmZQZoVSV_xVK7pGp7lst2K7ajn43EgTpFPkvH2fv9D0zDnGbp7oK9p5fMrzr5ufhP68S9ZvgPgO-wy_3ice_Ykk8L2fzgfFL-dEe79jD.jpg)

![TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack — 5](https://bargainpostbox.co.uk/i/qlzPNTrTB6Rtu18DdZ-exR4fJT_hWxrdJRxHs7m6BHzpi2M022epysVyuDd40g0fd53JLqJLVj7DI_tbRnsqfxI7EE68tXrMsWnpNrBBqABNTipS583IrU0n.jpg)

![TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack — 6](https://bargainpostbox.co.uk/i/T7ctSs_tu5k1VPh-TMYb9LZVbeIlQe8CeESPygf1vQ3bbADLW6EvzkGmrpORSSyexsbgEJPhxjFRKjQPsHdANfhKLLCWDQE-W02A-nD7NvJrXIf0AxPp81U8.jpg)

![TopSum TS03 Dog Calming Pheromone Diffuser, 3 Pack — 7](https://bargainpostbox.co.uk/i/cxHHWfAk2CrOza7YGoZfU-h0uWaHxXnSaAIkaW48CzzqypsmQnBK0pRTBLH_kwJGS68LJctwRhvIwAehAZLAwQUww8xD8tNwI8HvdaZAN9QB7WWpYKv9Uign.jpg)
