6 inch stove pipe damper
Skip itA small market ($39K/yr) — this niche doesn't clear our bar today.
Price range
Great$13.72–$37.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$19.42avg listing price — sweet spot $15–$100
Review moat
Good549.36avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Bad91%top-5 brand share — brand-locked demand
Returns
Bad5.8%return rate — above 5% kills the launch gate
Competition
Bad78%top-5 click share — a locked-up shelf
Growth
Bad-13.8%90-day search growth — must beat 0% to launch
Market size
Bad$39K$39K/yr · 20K searches
According to Flapen's Amazon United States niche tracking, 6 inch stove pipe damper is a $39K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 36/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
6 inch stove pipe damper market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $39K–$49K
- units × avg price
- Conversion rate
- 9.8%
- Avg BSR
- #191
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 82%
- Out of stock
- 4.3%
- Avg brand age
- 37 months
- Avg seller age
- 166 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
10
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
5%
- Kikerike45%
- AC Infinity20%
- Therwen11%
- Hon&Guan9%
- F and L Aluminum Parts6%
- FRESH SPEED4%
- Open — no brand owns it (2 brands, 5%)
Demand
Weekly Amazon search volume, last 28 weeks — -13.8% search growth over the last 90 days.Top 6 inch stove pipe damper search terms
- 6 duct damper3K/yr
- 6 inch backdraft damper4K/yr
- 6 inch damper4K/yr
- 6 backdraft damper3K/yr
- 6 inch duct damper3K/yr
- 6 damper3K/yr
Top 6 inch stove pipe damper 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Kikerike$15.044.5★1,281 rev
AC Infinity 6 Backdraft Damper One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6 Ducting in Range Hoods and Bathrooms Fans
AC Infinity$19.654.6★2,036 rev
F&L Industries 6 Galvanized Duct Volume Damper w/Quad Lever | FLD06 for HVAC Venting Airflow Control Heating Cooling & Exhaust Duct Applications
F and L Aluminum Parts$13.844.6★45 rev
Therwen Backdraft Damper Duct Manual Volume Damper with Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing for Range Hoods Fans(1 Pc 6 Inch)
Therwen$24.424.6★173 rev
Therwen Backdraft Damper Duct Manual Volume Damper with Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing for Range Hoods Fans(2 Pcs 6 Inch)
Therwen$37.584.6★173 rev
Newest
by launch date![[Upgraded] Hon&Guan 6 Inch Backdraft Damper Draft Blocker One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Inline Fan Vent Deflector-Black](https://m.media-amazon.com/images/I/41pxD9+TRhL.jpg)
[Upgraded] Hon&Guan 6 Inch Backdraft Damper Draft Blocker One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Inline Fan Vent Deflector-Black
Hon&Guan$14.4172 rev
AMREMSU 6 Inch HVAC Duct Backdraft Damper - Stainless Steel Manual Adjustable Air Control Valve with Sealing Rubber Gasket for Airflow Ducting Branch Vent Systems
Amremsu$27.4236 rev
![[Upgraded] Hon&Guan 6 Inch Backdraft Damper One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker](https://m.media-amazon.com/images/I/41U4Wu58kfL.jpg)
[Upgraded] Hon&Guan 6 Inch Backdraft Damper One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker
Hon&Guan$14.44238 rev
F&L Industries 6 Galvanized Duct Volume Damper w/Quad Lever | FLD06 for HVAC Venting Airflow Control Heating Cooling & Exhaust Duct Applications
F and L Aluminum Parts$13.8445 rev
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Kikerike$14.631,281 rev
Trending
90-day click momentumF&L Industries 6 Galvanized Duct Volume Damper w/Quad Lever | FLD06 for HVAC Venting Airflow Control Heating Cooling & Exhaust Duct Applications
F and L Aluminum Parts$13.844.6★
Therwen Backdraft Damper Duct Manual Volume Damper with Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing for Range Hoods Fans(1 Pc 6 Inch)
Therwen$24.424.6★
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Kikerike$15.044.5★
Therwen Backdraft Damper Duct Manual Volume Damper with Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing for Range Hoods Fans(2 Pcs 6 Inch)
Therwen$37.584.6★
[Upgraded] Hon&Guan 6 Inch Backdraft Damper One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker
Hon&Guan$14.444.4★
What buyers say about 6 inch stove pipe damper
What buyers praise and complain about, mined from review topics.What buyers love
“It seems to be well made”
“Worth it”
“Fits and work well”
“Does its job”
“Function”
“Durable”
“Easy install”
“Really nice materials and fit”
“No more freezing cold drafts”
“Well built”
What buyers complain about
“this one is just too weak”
“Not too easy to open that it's flopping around”
Top return reasons
Common questions
- Is 6 inch stove pipe damper profitable to sell on Amazon United States?
- The niche generates $39K/yr across 11 tracked products. 90-day search growth is -13.8%. Flapen's verdict: Skip it (36/100).
- How competitive is the 6 inch stove pipe damper niche?
- 8 brands and 10 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in 6 inch stove pipe damper?
- Top complaints mined from reviews: Strength, Ease Of Use. The return rate is 5.8% — above our launch gate.
- What does it cost to enter the 6 inch stove pipe damper niche?
- Listings span $13.72–$37.58; the average listing price is $19.42 (sweet spot $15–$100). The average incumbent carries 549 reviews — the moat a new listing must climb.