Luna G3 Cpap Supplies
Skip itSoft demand (-4.5% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$30.91avg listing price — sweet spot $15–$100
Returns
Great1.4%return rate — above 5% kills the launch gate
Price range
Great$7.08–$74.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,082.11avg incumbent reviews — the moat a new listing must climb
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Market size
Bad$98K$98K/yr · 81K searches
Growth
Bad-4.5%90-day search growth — must beat 0% to launch
Is luna g3 cpap supplies profitable on Amazon?
According to Flapen's Amazon United States niche tracking, luna g3 cpap supplies is a $98K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 47/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
luna g3 cpap supplies market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $155K–$185K
- units × avg price
- Conversion rate
- 3.9%
- Avg BSR
- #299
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 89%
- Out of stock
- 4.4%
- Avg brand age
- 33 months
- Avg seller age
- 153 days
Competition: brands, sellers & click share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
56
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
19%
- 3B Medical18%
- RespLabs Medical Inc.18%
- MARS WELLNESS17%
- FixlyFido12%
- Wyoutonon11%
- viohead5%
Top luna g3 cpap supplies search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- luna g3 cpap supplies40K/yr
- cpap luna g3 supplies13K/yr
- luna g3 cpap accessories6K/yr
- luna g37K/yr
- luna ii cpap supplies4K/yr
- luna g3 cpap machine4K/yr
- luna g3 cpap3K/yr
- cpap supplies luna g33K/yr
Top luna g3 cpap supplies products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
resplabs CPAP Filters for React Health Luna G3 60 Pack Disposable Replacement Filters - Also Fits 3B Luna G3-1+ Year Supply
RespLabs Medical Inc.$11.034.7★257 rev
3B Medical Luna G3 Replacement Water Chamber Clear
3B Medical$27.364.7★256 rev
Full Face CPAP Mask Full Cover Replacement Kit Comfort Series Nasal CPAP MASK Cpap Masks Includes Headgear Cushion Frame and Elbow(L)
Wyoutonon$64.364.3★984 rev
20 Packs Disposable Filter for CPAP Filter Kit - Compatible with 3B Medical Luna G3 Series CPAP Machines - Replacement Filters for CPAP Machines - for Clean Air (Black)
FixlyFido$10.124.6★154 rev
Mars Wellness CPAP Filter Kit - Compatible with 3B Medical Luna G3 Series CPAP Machines - Made in The USA - 12 Foam Filters
MARS WELLNESS$10.004.6★236 rev
Newest
by launch dateCPAP Mask Universal Replacement Full Face Mask Headgear Set Soft Silicone CPAP Masks Includes Headgear Cushion Frame and Elbow/Swivel
Sonalux$64.1219 rev
CPAP Mask Universal CPAP Nasal Sleep Mask Reusable CPAP Supplies Upgrade Silicone Soft Perfect Sealing CPAP Face Nose Masks with Headgear Elbow/Swivel Cushion
GAHQB$56.87186 rev
Cpap Mask Universal Full Face Cpap Masks Replacement Set Soft Silicone Cpap Full Cover Assembly Kit Comfort Series Nasal Cpap Mask with Headgear Elbow and Cushion L Size
Sonalux$64.25176 rev
Full Face CPAP Mask Full Cover Replacement Kit Comfort Series Nasal CPAP MASK Cpap Masks Includes Headgear Cushion Frame and Elbow(L)
Wyoutonon$64.36984 rev
20 Packs Disposable Filter for CPAP Filter Kit - Compatible with 3B Medical Luna G3 Series CPAP Machines - Replacement Filters for CPAP Machines - for Clean Air (Black)
FixlyFido$10.12154 rev
Trending
90-day click momentumCPAP Mask Universal Replacement Full Face Mask Headgear Set Soft Silicone CPAP Masks Includes Headgear Cushion Frame and Elbow/Swivel
Sonalux$64.124.0★
Mars Wellness CPAP Filter Kit - Compatible with 3B Medical Luna G3 Series CPAP Machines - 12 Ultra Fine Filters - Made in The USA
MARS WELLNESS$10.014.6★
OMOTIYA CPAP Tube - 6-Foot Universal CPAP Tubing - FSA/HSA eligible-Compatible with Most Machines & Masks 19mm CPAP Hose - 22mm connectors Lightweight Flexible Odor-Free 2-Pack
OMOTIYA$17.034.6★
CPAP Mask Universal CPAP Nasal Sleep Mask Reusable CPAP Supplies Upgrade Silicone Soft Perfect Sealing CPAP Face Nose Masks with Headgear Elbow/Swivel Cushion
GAHQB$56.874.2★
10 Packs Disposable Filter for CPAP Filter Kit - Compatible with 3B Medical Luna G3 Series CPAP Machines - Replacement Filters for CPAP Machines - for Clean Air (Black)
FixlyFido$7.084.6★
What reviews say buyers love and hate about luna g3 cpap supplies
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Cleans easily”
“As Advertised”
“its easy to hang”
“Fit as advertised”
“Great value”
“Effective”
“nice clean smell”
“GREAT FOR CLEANING CPAP MASK ETC”
“Dries quickly”
What buyers complain about
“Didnt fit”
“leaked for me”
“not very well made”
“Wipes are Dry”
“Does not work with a Luna G3”
“Have a cleaning chemical smell”
“Might irritate your face”
“a waste of money”
“Fractured into many pieces”
“Very stiff”
Top return reasons
Common luna g3 cpap supplies questions
- Is luna g3 cpap supplies profitable to sell on Amazon United States?
- The niche generates $98K/yr across 19 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.5%. Flapen's verdict: Skip it (47/100).
- How competitive is the luna g3 cpap supplies niche?
- 14 brands and 56 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in luna g3 cpap supplies?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Quality-Overall. The return rate is 1.4%.
- What does it cost to enter the luna g3 cpap supplies niche?
- Listings span $7.08–$74.81; the average listing price is $30.91 (sweet spot $15–$100). The average incumbent carries 2,082 reviews — the moat a new listing must climb.