Is mouthpeace filter profitable to sell on Amazon United States?

The niche generates $170K/yr across 15 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -11.8%. Flapen's verdict: Worth a look (52/100).

How competitive is the mouthpeace filter niche?

5 brands and 8 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in mouthpeace filter?

Top complaints mined from reviews: Quality-Overall, Filtration, Size-Overall. The return rate is 0.9%.

When does demand for mouthpeace filter peak?

Demand peaks in Apr; the busiest month runs 2.0× the quietest.

What does it cost to enter the mouthpeace filter niche?

Listings span $10.22–$42.93; the average listing price is $27.95 (sweet spot $15–$100). The average incumbent carries 17 reviews — the moat a new listing must climb.

Mouthpeace Filter

Worth a look

Shows a thin review moat (17 avg reviews), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Review moat

Incredible16.8

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.95

avg listing price — sweet spot $15–$100

Price range

Great$10.22–$42.93

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Great8.2%

search→purchase rate — share of searches ending in a sale

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Market size

Okay$170K

$170K/yr · 75K searches

Competition

Okay68%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-11.8%

90-day search growth — must beat 0% to launch

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Low Review Barrier

Is mouthpeace filter profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mouthpeace filter is a $170K/yr Amazon United States market (75K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr. Verdict: Worth a look — 52/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

mouthpeace filter market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $112K–$140K; units × avg price
Conversion rate: 8.2%
Avg BSR: #267
Page quality: 0%
Prime: 100%
Sponsored: 47%
Out of stock: 23.9%
Avg brand age: 37 months
Avg seller age: 182 days

Competition: brands, sellers & click share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

Generic43%
Somkepon30%
moose labs21%
PODOCK5%
Koeigai1%
Open — no brand owns it (0%)

mouthpeace filter demand & seasonality

Weekly Amazon search volume, last 59 weeks — -11.8% search growth over the last 90 days.

Peak months: Apr · busiest ÷ quietest = 2.0×

Open Trend

Top mouthpeace filter search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

mouthpiece filter12K/yr +15.7%2.9% conv.
mooselabs mouthpeace filters10K/yr -8.4%7.5% conv.
mouth peace filter9K/yr -10.5%8.6% conv.
mouthpeace filters moose labs14K/yr -43.1%4.9% conv.
mouthpeace filter8K/yr +10.8%11.0% conv.
moose labs filter7K/yr -3.8%7.6% conv.
mouthpeace7K/yr -11.9%0.4% conv.
mooselabs5K/yr -24.1%1.6% conv.
moose labs mouthpiece filter3K/yr -11.5%3.8% conv.

All search terms

Top mouthpeace filter 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Moose Labs Replacement Activated Charcoal Filters 40ct - Universal Fit for Silicone Mouthpieces

moose labs$35.943.8★12 rev

100-Pack Replaceable Activated Carbon Super-Clean - 3-Layer Filtration Touch-Free Design Universal Fit for Silicone Mouth Funnels

Somkepon$36.725.0★4 rev

Reuseable Metal Ring with Replacement Filters Activated Carbon Filter for Universal Silicone Mouth Funnel (2 Metal Rings 50 Replacement Filters)

Generic$16.214.7★69 rev

Replacement Activated Carbon Filter Silicone Mouth Funnel Universal Fit 100 Pack Mooselabs Mouthpeace Compatible

Generic$37.444.4★17 rev

50 Pack | Replacement Activated Carbon Filter | Silicone Mouthpiece REPLEACEMENT Filters | MOOSELABS MOUTHPEACE Compatible

Generic$21.994.8★8 rev

Newest

by launch date

Micro | 25 Pack | Replacement Activated Carbon Filter | Silicone Mouthpiece REPLEACEMENT Filters | MOOSELABS MOUTHPEACE Micro Compatible

Generic$16.821 rev

3mo ago

Micro | 100 Pack | Replacement Activated Carbon Filter | Silicone Mouthpiece REPLEACEMENT Filters | MOOSELABS MOUTHPEACE Micro Compatible

Generic$42.930 rev

3mo ago

200 Pack 3-Layer Activated Carbon Filters with 5 Black Reusable Metal Rings Compatible with Standard Silicone Mouth Funnels & Mouthpiece Accessories

Generic$35.746 rev

4mo ago

Moose Labs Replacement Activated Charcoal Filters 40ct - Universal Fit for Silicone Mouthpieces

moose labs$35.9412 rev

9mo ago

50 Pack | Replacement Activated Carbon Filter | Silicone Mouthpiece REPLEACEMENT Filters | MOOSELABS MOUTHPEACE Compatible

Generic$21.998 rev

11mo ago

What reviews say buyers love and hate about mouthpeace filter

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money31%

“worth it”

Quality-Overall16%

“Almost as good as the m00se labs ones”

Size-Overall11%

“Fit,worked,you will like it”

Advertised Vs Actual Product11%

“As described”

Breathability5%

“Breathe in the good not the bad”

Ease Of Use5%

“Helpful”

Thickness5%

“The thin ones work fine”

Efficiency3%

“Works Well”

Oral Hygiene3%

“Works great with mouthpeace”

Filtration3%

“Very happy with my filters”

What buyers complain about

Quality-Overall36%

“Not as good of quality as I had hoped”

Filtration18%

“I bought filters from two other vendors that totally didn't fit”

Size-Overall9%

“so they wouldn't fit”

Functionality-Overall7%

“Dont work good”

Thin7%

“Thinner then others”

Value For Money6%

“those are expensive”

Thickness6%

“Too thin”

Durability3%

“they don't last as long”

Adhesion/Stickiness2%

“it was totally sticky”

Jamming/Clogging2%

“They also seem to clog up noticeably faster”

Top return reasons

Size-Overall74%

Filtration12%

Compatibility-Overall5%

Advertised Vs Actual Product4%

Maintenance And Repair2%

Smell1%

Thickness1%

Defective Material/Parts1%

Ease Of Use1%

Material Quality1%

Common mouthpeace filter questions

Is mouthpeace filter profitable to sell on Amazon United States?: The niche generates $170K/yr across 15 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -11.8%. Flapen's verdict: Worth a look (52/100).
How competitive is the mouthpeace filter niche?: 5 brands and 8 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in mouthpeace filter?: Top complaints mined from reviews: Quality-Overall, Filtration, Size-Overall. The return rate is 0.9%.
When does demand for mouthpeace filter peak?: Demand peaks in Apr; the busiest month runs 2.0× the quietest.
What does it cost to enter the mouthpeace filter niche?: Listings span $10.22–$42.93; the average listing price is $27.95 (sweet spot $15–$100). The average incumbent carries 17 reviews — the moat a new listing must climb.