oxygen concentrator humidifier bottle
Skip itA small market ($57K/yr) — this niche doesn't clear our bar today.
Conversion
Incredible12.9%search→purchase rate — share of searches ending in a sale
Review moat
Great168.64avg incumbent reviews — the moat a new listing must climb
Avg price
Good$14.22avg listing price — sweet spot $15–$100
Returns
Good2.3%return rate — above 6% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Good$6.95–$24.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Growth
Bad-17.7%90-day search growth — must beat 0% to launch
Market size
Bad$57K$57K/yr · 31K searches
Competition
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
10 flat
Sellers
21
Top-5 brand share
84%
Open market
10%
- Generic40%
- GZKEFEIS20%
- Main Clinic Supply10%
- Geiserailie8%
- ResOne6%
- Westmed6%
- Open — no brand owns it (4 brands, 10%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Oxygen Humidifier Bottle for Oxygen Concentrator
Generic$9.484.5★410 rev
GZKEFEIS Upgraded Oxygen Humidifier Bottle for 5L or Less Concentrators Universal Fit for Yuwell Philips Spiral-Type Interface Metal Check Valve with Backflow Prevention & Fire Isolation (1PC)
GZKEFEIS$19.274.4★62 rev
Geiserailie 2 Pack Oxygen Humidifier Bottle Sturdy 6 LPM Humidifier Oxygen Bottle with 12 Adapter Tubing for Home or Travel Portable O2 Humidification
Geiserailie$19.244.4★48 rev
Oxygen Humidifier Bottle Set 11PCS Complete Kit
Generic$20.044.6★69 rev
High Flow Oxygen Humidifier Bottle for Oxygen Concentrators Moisture Support for Oxygen Flow Durable Replacement Accessory for Home Continuous Flow Systems (1 Pack)
Main Clinic Supply$12.744.7★36 rev
Newest
by launch dateHigh Flow Oxygen Humidifier Bottle for Oxygen Concentrators Moisture Support for Oxygen Flow Durable Replacement Accessory for Home Continuous Flow Systems (1 Pack)
Main Clinic Supply$12.7436 rev
High Flow Oxygen Humidifier Bottle for Oxygen Concentrators Moisture Support for Oxygen Flow Durable Replacement Accessory for Home Continuous Flow Systems (2 Pack)
Main Clinic Supply$17.9336 rev
3-Pack Oxygen Humidifier Bottle with 12 Adapter Tubing Easy Install Lightweight Portable
Ammodura$24.7913 rev
GZKEFEIS Upgraded Oxygen Humidifier Bottle for 5L or Less Concentrators Universal Fit for Yuwell Philips Spiral-Type Interface Metal Check Valve with Backflow Prevention & Fire Isolation (1PC)
GZKEFEIS$19.2762 rev
Universal Oxygen Humidifier Bubbler Bottle 350ml with Pressure Relief Valve with Adapter for Tubing (2)
Sandhill Tools$15.2339 rev
Trending
90-day click momentumHigh Flow Oxygen Humidifier Bottle for Oxygen Concentrators Moisture Support for Oxygen Flow Durable Replacement Accessory for Home Continuous Flow Systems (2 Pack)
Main Clinic Supply$17.934.7★
High Flow Oxygen Humidifier Bottle for Oxygen Concentrators Moisture Support for Oxygen Flow Durable Replacement Accessory for Home Continuous Flow Systems (1 Pack)
Main Clinic Supply$12.744.7★
Universal Oxygen Humidifier Bubbler Bottle 350ml with Pressure Relief Valve with Adapter for Tubing (2)
Sandhill Tools$15.233.9★
3-Pack Oxygen Humidifier Bottle with 12 Adapter Tubing Easy Install Lightweight Portable
Ammodura$24.794.9★
Geiserailie 2 Pack Oxygen Humidifier Bottle Sturdy 6 LPM Humidifier Oxygen Bottle with 12 Adapter Tubing for Home or Travel Portable O2 Humidification
Geiserailie$19.244.4★
Demand & seasonality
Weekly Amazon search volume, last 65 weeks — -17.7% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“As shown”
“well made for the purpose at a very reasonable price”
“Perfect fit”
“They can help keep you from getting a very sore nose by humidifying output from a bottle or particularly a concentrator”
“These are inexpensive, and work great”
“Works Perfectly”
“Moisture for your nose lifesaving”
“Easy to use”
“It does not leak - at all”
“Helped with my wifes dry oxygen”
What buyers complain about
“The bottle also leaked profusely”
“Didn't fit”
“Bad manufacturing of jar”
“No directions provided”
“Didnt work for me”
“is an essential part of a rather expensive machine”
“it comes off too easily”
“balms suggested for use do not help to relieve the dryness as the oxygen is at a constant flow”
“flooded my nose with water”
“Poor design needs connector”