spacers
Skip itSoft demand (-18.5% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Conversion
Great10.9%search→purchase rate — share of searches ending in a sale
Review moat
Good588.62avg incumbent reviews — the moat a new listing must climb
Price range
Okay£7.14–£20.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£10.80avg listing price — sweet spot $15–$100
Market size
Okay£187K£187K/yr · 159K searches
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad73%top-5 click share — a locked-up shelf
Growth
Bad-18.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, spacers is a £187K/yr Amazon United Kingdom market (159K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Dec. Verdict: Skip it — 44/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
spacers market data
- Units sold / yr
- 15K–20K
- avg 1,000–1,250/product
- Revenue / yr
- £162K–£216K
- units × avg price
- Conversion rate
- 10.9%
- Avg BSR
- #1,168
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 46%
- Out of stock
- 0.4%
- Avg brand age
- 50 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
30
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
9%
- EasyChamber40%
- Roadlamp26%
- VED9%
- AeroChamber6%
- Exemplife6%
- AEROCHAMBER2GO5%
- Open — no brand owns it (3 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.5% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.9×
Top spacers search terms
- inhaler spacer50K/yr
- spacer for inhaler32K/yr
- asthma spacer18K/yr
- inhaler spacer adult11K/yr
- spacer10K/yr
- aerochamber10K/yr
- aerochamber plus7K/yr
- inhaler spacer for kids6K/yr
- aero chamber plus inhaler adult5K/yr
- aero chamber6K/yr
Top spacers products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Aerochamber Plus Mouthpiece Adult Spacer
Roadlamp£9.174.6★850 rev
EasyChamber Anti-Static Spacer Device for Metered Dose Inhalers Adult and Standard Options Inhaler Chamber BPA & Latex Free
EasyChamber£7.964.7★2,207 rev
EasyChamber Anti-Static Spacer Device for Metered Dose Inhalers with Adult Mask Adult and Standard Options BPA- and Latex-Free
EasyChamber£10.404.6★1,098 rev
VED Inhaler Spacer Device for Metered Dose Inhaler Universal Spacer for Adults and Children Anti Static Spacer for Inhaler Latex and BPA Free Materials.
VED£7.804.1★47 rev
AeroChamber - Plus Flow-Vu Abstandshalter mit Mundstück
Exemplife£10.404.8★670 rev
Newest
by launch dateVED Inhaler Spacer Device for Metered Dose Inhaler Universal Spacer for Adults and Children Anti Static Spacer for Inhaler Latex and BPA Free Materials.
VED£7.8047 rev
KNOXZY Anti-Static Spacer Device Inhaler Chamber use with Metered Dose Inhaler BPA and Latex Free
KNOXZY£7.14130 rev
AeroChamber2go 2-in-1 Portable Inhaler Spacer + Protective Case for Metered Dose Inhalers
AEROCHAMBER2GO£20.89270 rev
Inhaler Spacer Anti-Static Spacer Device Inhaler Chamber use with Metered Dose Inhaler BPA and Latex Free for Adult.(Blue)
VED£7.77416 rev
AeroChamber Plus Flow-Vu Anti-Static with Adult Large mask 1 Device
AeroChamber£14.36244 rev
Trending
90-day click momentumVED Inhaler Spacer Device for Metered Dose Inhaler Universal Spacer for Adults and Children Anti Static Spacer for Inhaler Latex and BPA Free Materials.
VED£7.804.1★
AeroChamber - Plus Flow-Vu Abstandshalter mit Mundstück
Exemplife£10.404.8★
AeroChamber Plus Flow-Vu Anti-Static Youth 5+ Years (Trudell Medical UK Ltd) 1 Device
AeroChamber£9.544.6★
AeroChamber Plus Flow-Vu Anti-Static with Adult Large mask 1 Device
AeroChamber£14.364.7★
Aerochamber Plus Mouthpiece Adult Spacer
Roadlamp£9.174.6★
What buyers say about spacers
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Easy to use”
“Great value”
“Cleans easy”
“Fits together nicely”
“Works great 👍 breathe easy with this item”
“Great asthma spacers”
“Well made and very easy to use”
“Spacer works really well”
“Portable and easy to use”
What buyers complain about
“Easily broken”
“Cheap and rubbish”
“Which is quite bulky”
“Expensive”
“very uncomfortable to actually use without”
“Ok. Mouth piece not as good as hospitals ones”
“Mask did not fit”
“He lacks had strength”
“Tempted to snip the attachment part off so its just fits onto the mouth part rather than reattaching as it is just rubber”
“struggle to not cough out the doses”
Top return reasons
Common questions
- Is spacers profitable to sell on Amazon United Kingdom?
- The niche generates £187K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -18.5%. Flapen's verdict: Skip it (44/100).
- How competitive is the spacers niche?
- 9 brands and 30 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in spacers?
- Top complaints mined from reviews: Durability, Quality-Overall, Weight Heavy. The return rate is 0.3%.
- When does demand for spacers peak?
- Demand peaks in Dec; the busiest month runs 1.9× the quietest.
- What does it cost to enter the spacers niche?
- Listings span £7.14–£20.89; the average listing price is £10.80 (sweet spot $15–$100). The average incumbent carries 589 reviews — the moat a new listing must climb.