oxygen concentrator
Worth a lookShows low returns (1.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.2%return rate — above 5% kills the launch gate
Market size
Great$1.6M$1.6M/yr · 3.4M searches
Brand share
Great51%top-5 brand share — no brand owns this niche
Competition
Great35%top-5 click share — an open shelf
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$101.13avg listing price — sweet spot $15–$100
Review moat
Okay3,780.71avg incumbent reviews — the moat a new listing must climb
Growth
Bad-2.9%90-day search growth — must beat 0% to launch
Price range
Bad$5.19–$638.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, oxygen concentrator is a $1.6M/yr Amazon United States market (3.4M searches/yr). The top 5 brands hold 51% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
oxygen concentrator market data
- Units sold / yr
- 100K–125K
- avg 1,500–2,000/product
- Revenue / yr
- $10.1M–$12.6M
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #671
- Page quality
- 0%
- Prime
- 73%
- Sponsored
- 91%
- Out of stock
- 4.6%
- Avg brand age
- 46 months
- Avg seller age
- 167 days
Competition & brand share
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
31 rising
Sellers
51
Top-5 brand share
51%
Top 20: 92%
Top-5 click share
35%
Top 20: 70%
Open market
43%
- Boost Oxygen17%
- Medline10%
- Vive9%
- CURMIO9%
- Inogen6%
- Oxygen Aid6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top oxygen concentrator search terms
- portable oxygen concentrator675K/yr
- oxygen concentrator machine737K/yr
- oxygen concentrator369K/yr
- portable oxygen machine261K/yr
- inogen portable oxygen concentrator191K/yr
- oxygen machine142K/yr
- portable oxygen concentrator for travel150K/yr
- portable oxygen122K/yr
- portable oxygen concentrator machine80K/yr
- concentrador de oxgeno porttil114K/yr
Top oxygen concentrator 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Medline Soft-Touch Nasal Oxygen Cannula 7 Tubing Standard Connector 50-Pack
Medline$31.424.4★3,489 rev

Vive Oxygen Tank Holder Backpack - Portable Carrying Shoulder Bag for Oxygen Cylinders - Healthcare Supplies & Accesories for Traveling - Lightweight Adjustable Straps (Medium)
Vive$23.584.3★102 rev

Boost Oxygen Pocket Size Natural 3L Canister | Respiratory Support for Aerobic Recovery Altitude Performance & Health (2 Pack)
Boost Oxygen$18.144.1★6,398 rev

Oxygen Aid - Extra Tall 99.5% Oxygen Canisters - Includes Facemask & Rebreather Mask with Tubing - 2 Pack
Oxygen Aid$25.264.0★109 rev

CURMIO Travel Backpack Compatible with Inogen OxyGo and Caire Units Portable Oxygen Concentrator Bag with Storage Compartment Gray (Bag Only Patent Pending)
CURMIO$38.774.3★196 rev
Newest
by launch date
Oxygen Aid - Extra Tall 99.5% Oxygen Canisters - Includes Facemask & Rebreather Mask with Tubing - 2 Pack
Oxygen Aid$25.26109 rev

gO2Therapy Up to 450 Inhalations 12L | Portable Oxygen Canister Single Mouth & Nose Mask Supplemental Oxygen for Sports Travel Altitude & Fitness Activities
gO2therapy$22.1384 rev

VARMDUKKE 20pcs Oxygen Tube Support Crimp Straightener for Portable Oxygen Concentrator Oxygen Tubing Support Accessories for Oxygen Hose Nasal Cannula -White
VARMDUKKE$5.19100 rev

Lightning X Portable Aluminum Medical Oxygen Cylinder D Size w/CGA-870 Post Valve + 0-15lpm Mini O2 Regulator w/Wrench for Home & EMS Use Ships Empty (Cylinder + Regulator)
Lightning X Products$97.934 rev

Medfex Oxygen Tank Complete Set | 425 Liter Capacity - Travel Size Kit USA
Medfex$278.6361 rev
Trending
90-day click momentum
Medline Soft-Touch Nasal Oxygen Cannula 7 Tubing Standard Connector 50-Pack
Medline$31.424.4★

Vive Oxygen Tank Holder Backpack - Portable Carrying Shoulder Bag for Oxygen Cylinders - Healthcare Supplies & Accesories for Traveling - Lightweight Adjustable Straps (Medium)
Vive$23.584.3★

CURMIO Travel Backpack Compatible with Inogen OxyGo and Caire Units Portable Oxygen Concentrator Bag with Storage Compartment Gray (Bag Only Patent Pending)
CURMIO$38.774.3★

gO2Therapy Up to 450 Inhalations 12L | Portable Oxygen Canister Single Mouth & Nose Mask Supplemental Oxygen for Sports Travel Altitude & Fitness Activities
gO2therapy$22.134.4★

Oxygen Aid - Extra Tall 99.5% Oxygen Canisters - Includes Facemask & Rebreather Mask with Tubing - 2 Pack
Oxygen Aid$25.264.0★
What buyers say about oxygen concentrator
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to handle”
“As advertised”
“Excellent product”
“This works well, good product, work as intended”
“Great deal”
“Accurate and easy to use”
“Fit my POC perfectly”
“Breath Better”
“Absolutely love my oxygen monitor”
“Battery lasts a long time”
What buyers complain about
“NOT ACCURATE”
“Inaccurate readings”
“Did not work”
“Not Worth It”
“Not true to size”
“I was disappointed to notice the difference in overall build quality”
“Broken”
“The battery life is also very short”
“if she exerts herself a little too much she has a hard time breathing”
“hard to maneuver”
Top return reasons
Common questions
- Is oxygen concentrator profitable to sell on Amazon United States?
- The niche generates $1.6M/yr across 56 tracked products. 4 of 10 products launched in the last 360 days are still selling. 90-day search growth is -2.9%. Flapen's verdict: Worth a look (60/100).
- How competitive is the oxygen concentrator niche?
- 31 brands and 51 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 51% of demand.
- What do buyers complain about in oxygen concentrator?
- Top complaints mined from reviews: Accuracy-Overall, Measurement/Reading Accuracy, Functionality-Overall. The return rate is 1.2%.
- When does demand for oxygen concentrator peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the oxygen concentrator niche?
- Listings span $5.19–$638.87; the average listing price is $101.13 (sweet spot $15–$100). The average incumbent carries 3,781 reviews — the moat a new listing must climb.