---
title: "Flutter Valve — $631K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/flutter-valve"
last_updated: "2026-08-10T18:33:21.758Z"
locale: en
meta:
description: "Niche score 57/100 · $631K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · $631K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Flutter Valve — $631K/yr Amazon US Niche (2026) - Flapen"
---
# **flutter valve**
**Worth a look**
Shows a sweet-spot price point ($35.86 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 65Growth 20Conversion 71Competition 48Returns 65Price range 95Avg price 95Brand share 44Review moat 60Quality gap 65
**Avg price**
**Incredible****$35.86**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$16.18–$68.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$631K**
$631K/yr · 270K searches
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,084**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-10.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, flutter valve is a $631K/yr Amazon United States market (270K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 57/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **flutter valve market data**
- **Units sold / yr**
- **15K–20K**
- avg 750–1,000/product
- **Revenue / yr**
- **$538K–$717K**
- units × avg price
- **Conversion rate**
- **6.5%**
- **Avg BSR**
- **#131**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **100%**
- **Out of stock**
- **6.0%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▲rising
**Sellers**
**22**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 97%
**Open market**
**14%**
- Vopacare22% - AirPhysio19% - TyeinGo16% - AiraVentus13% - NebuAksol9% - MILL .STEPS7% - Open — no brand owns it (5 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.8% search growth over the last 90 days.
12K8KSpike '24Holiday '24 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/us/health-household/flutter-valve/trend)
## **Top flutter valve search terms**
- **flutter valve device for lungs**33K/yr-7.9%10.6% conv. - **flutter valve**40K/yr-23.9%7.5% conv. - **aerobika breathing device**30K/yr-16.7%2.1% conv. - **aerobika**29K/yr-10.1%1.7% conv. - **airphysio**30K/yr-8.2%6.4% conv. - **air physio**14K/yr-3.9%7.3% conv. - **aerobika flutter valve mucus removal device**7K/yr+13.0%3.3% conv. - **aerobika device**10K/yr-3.6%0.8% conv. - **air physio lung device**15K/yr-14.1%7.4% conv. - **airphysio lung cleaning device**9K/yr+7.2%10.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/flutter-valve/search-terms)
## **Top flutter valve 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.
0%10%$63K20%$126K30%$189K40%$252K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Flutter Valve Breathing Exercise Device for Lungs Mucus Removal Device Adjustable Resistance Breathing Trainer Portable Lung Exerciser for Mucus Clearance**Vopacare**$29.04**4.6★362 rev](https://www.amazon.com/dp/B0DJ2RJSK2) [2**AirPhysio | Drug-Free Portable Breathing Trainer Device for Lungs | Breathe Better Improve Lung Health & Mucus Clearance | Average Lung Capacity Device | Made in Australia**AirPhysio**$56.08**4.0★1,590 rev](https://www.amazon.com/dp/B0BNZS9D8S) [3**Flutter Valve Device for Lungs Breathing Exercise Devicefor Lungs Adjustable Resistance for Natural Mucus Removal Portable Lung Exerciser Device | Breathing Trainer**TyeinGo**$22.76**4.4★1,182 rev](https://www.amazon.com/dp/B0BZJLJJ6Z) [4**MILLSTEPS Breathing Exercise Device for Lungs Flutter Valve Expiratory Breathing Exerciser - Clear Mucus from Airways Naturally & Build Stronger Lungs (Blue)**MILL .STEPS**$17.07**4.3★506 rev](https://www.amazon.com/dp/B0D816PRCH) [5**Flutter Valve Device for Lungs Breathing Exercise Device Adjustable Resistance Breathing Trainer for Natural Mucus**AiraVentus**$58.84**4.5★239 rev](https://www.amazon.com/dp/B0D1P5CBHJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Giyosk Breathing Exercise Device for Lungs Mucus Removal Flutter Flutter Valve Mucus Removal Device with A Set of Accessories Breathing Trainer for Lung Cleanse(Blue)**Giyosk**$25.69**1,687 rev4mo ago](https://www.amazon.com/dp/B0GR55V2KH) [**Breathing Exercise Device Non-Measuring Exerciser & Portable Lung Exerciser with Adjustable Resistance Flutter Valve Respiratory Muscle Trainer for Mucus Clearance & Better Breathing**Willnice**$41.73**18 rev7mo ago](https://www.amazon.com/dp/B0G51ZXBSN) [**Flutter Valve Breathing Exercise Device for Lungs Exerciser Non-Measuring - Breathing Trainer Mucus Removal Device**Vopacare**$52.56**362 rev7mo ago](https://www.amazon.com/dp/B0G3QPKW87) [**Flutter Valve Device for Lungs Breathing Exercise Devicefor Lungs Exerciser Non-Measuring - Breathing Trainer Natural Mucus Removal Device**AiraVentus**$16.18**239 rev9mo ago](https://www.amazon.com/dp/B0FT7NGPF6) [**Flutter Valve Device for Lungs Breathing Exercise Device Exerciser Non-Measuring - Breathing Trainer Adjustable Resistance Breathing Trainer for Natural Mucus**AiraVentus**$54.81**239 rev9mo ago](https://www.amazon.com/dp/B0FT7M3J36)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Giyosk Breathing Exercise Device for Lungs Mucus Removal Flutter Flutter Valve Mucus Removal Device with A Set of Accessories Breathing Trainer for Lung Cleanse(Blue)**Giyosk**$25.69**4.2★**▲ 338%**](https://www.amazon.com/dp/B0GR55V2KH) [**Adjustable Height Aerobic Stepper Set with 2 Dumbbells & Measuring Tape Workout Exercise Step Platform w/Level Risers Green Black the Ultimate Gift for a Joyful Holiday and Merry Christmas**CAPHAUS**$29.77**4.6★**▲ 332%**](https://www.amazon.com/dp/B0DMCY1YQG) [**Flutter Valve Device for Lungs Breathing Exercise Devicefor Lungs Exerciser Non-Measuring - Breathing Trainer Natural Mucus Removal Device**AiraVentus**$16.18**4.5★**▲ 330%**](https://www.amazon.com/dp/B0FT7NGPF6) [**Flutter Valve Device for Lungs Breathing Exercise Device Exerciser Non-Measuring - Breathing Trainer Adjustable Resistance Breathing Trainer for Natural Mucus**AiraVentus**$54.81**4.5★**▲ 315%**](https://www.amazon.com/dp/B0FT7M3J36) [**Flutter Valve Breathing Exercise Device for Lungs Exerciser Non-Measuring - Breathing Trainer Mucus Removal Device**Vopacare**$52.56**4.6★**▲ 303%**](https://www.amazon.com/dp/B0G3QPKW87)
**~~View all trending →~~**
## **What buyers say about flutter valve**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Breathability**16%
*“Breather easier”*
**Quality-Overall**13%
*“Excellent build quality”*
**Ease Of Use**12%
*“Easy to use”*
**Cough Relief**12%
*“Helped clear up my cough”*
**Efficiency**9%
*“Very effective for him”*
**Advertised Vs Actual Product**6%
*“Item as described”*
**Ease Of Cleaning**4%
*“also is easy to take apart for cleaning”*
**Value For Money**4%
*“well worth it”*
**Instructions/User Manual/Troubleshooting**3%
*“The instructions are easy peasy”*
**Sinus Relief**2%
*“Great for mucus clearance”*
### **What buyers complain about **
**Functionality-Overall**13%
*“Ineffective”*
**Quality-Overall**11%
*“Quality Could Be Better”*
**Breathability**7%
*“have problems breathing”*
**Value For Money**6%
*“Not worth paying for”*
**Instructions/User Manual/Troubleshooting**4%
*“Complicated instructions”*
**Material Quality**4%
*“This thing feels incredibly cheap”*
**Cough Relief**3%
*“had to cough we got her this”*
**Durability**3%
*“Broke”*
**Strength**2%
*“Very ineffective product”*
**Ease Of Use**2%
*“Was difficult to use”*
### **Top return reasons **
**Functionality-Overall**28%
**Breathability**21%
**Advertised Vs Actual Product**11%
**Ease Of Use**4%
**Product Condition**4%
**Size-Overall**3%
**Value For Money**3%
**Comfort-Overall**2%
**Strength**2%
**Instructions/User Manual/Troubleshooting**2%
## **Common questions**
- **Is flutter valve profitable to sell on Amazon United States?**
- The niche generates $631K/yr across 22 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -10.8%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the flutter valve niche?**
- 11 brands and 22 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in flutter valve?**
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Breathability. The return rate is 2.4%.
- **When does demand for flutter valve peak?**
- Demand peaks in Nov–Dec; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the flutter valve niche?**
- Listings span $16.18–$68.22; the average listing price is $35.86 (sweet spot $15–$100). The average incumbent carries 1,084 reviews — the moat a new listing must climb.
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