How competitive is the Top Fin Ef-s Filter Cartridges niche on Amazon United States?

5 brands and 48 sellers compete in Top Fin Ef-s Filter Cartridges on Amazon United States. The top 5 Top Fin Ef-s Filter Cartridges products take 84% of clicks and its top 5 brands hold 100% of demand.

What do buyers complain about in Top Fin Ef-s Filter Cartridges?

Top Fin Ef-s Filter Cartridges buyers on Amazon United States complain most about Filtration, Size-Overall, Quality-Overall, the themes mined from the niche's reviews. Its return rate is 1.8%.

What does it cost to enter the Top Fin Ef-s Filter Cartridges niche?

Top Fin Ef-s Filter Cartridges sells for $11.00 on average on Amazon United States, outside our $15–$100 sweet spot. Listings span $7.24–$18.66. The average incumbent carries 1,275 reviews — the moat a new listing must climb.

Top Fin Ef-s Filter Cartridges

brand-locked demand (top 5 brands take 100% of clicks) — Top Fin Ef-s Filter Cartridges doesn't clear our bar today.

Flapen Score

Skip it

Ranks 3,590 of 3,978 Pet Supplies niches · −14 vs the category median of 51

This niche Category average · 3,978 niches

Is Top Fin Ef-s Filter Cartridges profitable on Amazon?

According to Flapen's Amazon United States niche tracking, Top Fin Ef-s Filter Cartridges is a $110K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Nov. Verdict: Skip it — 37/100.

Top Fin Ef-s Filter Cartridges: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -4.5% over the last 90 days and 21.1% of searches end in a purchase.

$110K

revenue / yr

Units sold / yr10K

Search volume / yr-4.5%48K

Conversion rate21.1%

Avg price$11.00

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

open market share

Brands · sellers5 · 48

Top-5 product click share84%

Open market0%

Avg brand age56 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 9 products

Top Top Fin Ef-s Filter Cartridges products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Top sellers

by 90-day click share

HiTauing 8 Pack EF-S Filter Cartridges for EF-S Element and BF5 BETTAFLO

Price: $8.69
Rating: 4.6/5
Reviews: 3,205
Age: 3y ago

Top Fin EF-S Element Filter Cartridges (6 Count) for Fish Tank

Price: $18.66
Rating: 4.7/5
Reviews: 1,320
Age: 5y ago

HiTauing 12 Packs Filter Cartridge Compatible with EF-S Element and BF5 BETTAFLO Filter

Price: $12.64
Rating: 4.6/5
Reviews: 1,138
Age: 4y ago

HiTauing 6 Pack EF-S Filter Cartridges for EF-S Element and BF5 BETTAFLO

Price: $7.70
Rating: 4.6/5
Reviews: 3,205
Age: 4y ago

HiTauing 15 Packs Filter Cartridge for EF-S Element and BF5 BETTAFLO

Price: $13.53
Rating: 4.6/5
Reviews: 1,138
Age: 3y ago

Newest

by launch date

12-Pack EF-S Replacement Filter Cartridges for BF5 BettaFlo Aquarium Professional Triple Filtration to Keep Water Crystal Clear & Fish Healthy High-Density Activated Carbon Refills for Fish Tank

Price: $7.24
Rating: 4.1/5
Reviews: 75
Age: 5mo ago

Zuqqony 8 Pack Filter Cartridges for Filter Replacement Filter Cartridges for Top Fin EF-S Element and BF5 BETTAFLO

Price: $8.77
Rating: 4.6/5
Reviews: 523
Age: 2y ago

15 Pack Filter Cartridges for Filter Replacement Filter Cartridges for Top Fin EF-S Element and BF5 BETTAFLO

Price: $13.65
Rating: 4.6/5
Reviews: 523
Age: 2y ago

driamor 8 Pack Filter Cartridges Compatible with EF-S Element and BF5 BETTAFLO Filter Thickened Fish Tank Replacement Filters Cartridge with Zeolite

Price: $8.10
Rating: 4.4/5
Reviews: 346
Age: 3y ago

HiTauing 8 Pack EF-S Filter Cartridges for EF-S Element and BF5 BETTAFLO

Price: $8.69
Rating: 4.6/5
Reviews: 3,205
Age: 3y ago

Competition: brands, sellers & click share

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

84%

Top 20: 100%

Open market

HiTauing73%
Top Fin11%
Zuqqony8%
driamor4%
Meidier4%

Top Fin Ef-s Filter Cartridges demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume48KCVR21.1%Products9Brands5Top 5 Brands100%OOS Rate0.0%Rating4.5★Reviews1,275Avg BSR#97

Peak months: Jan, Nov · busiest ÷ quietest = 1.9×

Top Top Fin Ef-s Filter Cartridges search terms shoppers use

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

ef-s fish tank filter12K/yr -1.4%19.8% conv.
top fin ef-s filter cartridges11K/yr -2.3%21.1% conv.
fish tank filter replacement pads5K/yr +24.5%1.6% conv.
topfin ef-s filter cartridge4K/yr -14.3%24.1% conv.
5 gallon fish tank filter cartridge4K/yr +18.8%2.6% conv.
efs fish tank filter3K/yr +2.2%19.8% conv.
top fin ef-s element filter cartridge3K/yr -24.6%22.3% conv.
ef-s filter cartridges fish tank3K/yr -5.0%19.8% conv.

What reviews say buyers love and hate about Top Fin Ef-s Filter Cartridges

What buyers mention most, as a share of all reviews.

What buyers love

94% of reviews

Value For Money29%

“Very affordable”

Size-Overall21%

“fits as it should”

Filtration20%

“Great filters”

Quality-Overall7%

“Good quality”

Ease Of Cleaning7%

“which stayed really clean”

What buyers complain about

73% of reviews

Filtration20%

“NOT a quality filter”

Size-Overall13%

“Not correct size”

Quality-Overall9%

“NOT a quality filter”

Value For Money7%

“Expensive”

Smell6%

“failing to absorb odors or discoloration in the aquarium”

Top Fin Ef-s Filter Cartridges return rate & reasons

Why buyers send it back, as a share of all return requests.

1.8%

Return rate

86%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall

82%

2Filtration

3Compatibility-Overall

4Advertised Vs Actual Product

5Value For Money

Common Top Fin Ef-s Filter Cartridges questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Top Fin Ef-s Filter Cartridges 37/100 on Amazon United States — Skip it. The niche generates $110K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -4.5% over the last 90 days.