Top Fin Ef-s Filter Cartridges
FailThe top 5 brands take 100% of clicks, so Top Fin Ef-s Filter Cartridges is a Fail.
- Flapen Score
- 37 / 100Ranks 3,590 of 3,978 Pet Supplies niches · −14 vs the category median of 5137
- Market size
- $110K/yr48K searches / yr
- 90-day growth
- -4.5%search demand this quarter
- Competition
- 84%top-5 click share · 5 brands · 48 sellers
Flapen Score
Top Fin Ef-s Filter Cartridges against its category
The dotted line is the Pet Supplies average. Past it, Top Fin Ef-s Filter Cartridges is stronger. Inside it, weaker.
Market
The Top Fin Ef-s Filter Cartridges market on Amazon at a glance
Shoppers on Amazon United States searched for Top Fin Ef-s Filter Cartridges 48K times last year and spent an estimated $110K. All 5 brands take every click. Demand peaks in Jan–Nov. Flapen scores it 37 out of 100, a Fail.
01 · Demand
An estimated 21.1% of those searches ended in a purchase.
Shoppers searched for this 48K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 21.1% of those searches ended in a purchase. Searches in the last 90 days moved -4.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $110K a year.
- Searches, last 12 months
- 48K
- Growth, 90 days vs prior 90
- -4.5%
- Conversion, latest week
- 21.1%
- Market size, estimated
- $110Ka year
- Peak month
- November1.9× the quietest month
- Top search term
- ef-s fish tank filter12K searches a year
02 · Price
A sale here is worth $11.00.
Listings sell for $11.00 on average, from $7.24 to $18.66. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 750 to 1,000 of them. At $11.00 that is $8K to $11K a year per listing.
- Average price
- $11.00under the $15 to $100 sweet spot
- Price range
- $7.24–$18.66
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $8K–$11K
- Returns
- 1.8%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
89% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #97 within Fish & Aquatic Pets. It carries 1,275 reviews at 4.53 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #97in Fish & Aquatic Pets
- Average rating
- 4.53 starsAmazon United States average 4.42 stars
- Average reviews
- 1,275per listing
- Listings tracked
- 9
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 56 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 56 months
Products
Top Top Fin Ef-s Filter Cartridges products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 17, 2026. The live listing can differ.
Top sellers
by estimated 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
Trending
estimated 90-day click momentum
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

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

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 15 Packs Filter Cartridge for EF-S Element and BF5 BETTAFLO
- Price
- $13.53
- Rating
- 4.6/5
- Reviews
- 1,138
- 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
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
Competition: brands, sellers & click share
The top 5 products take an estimated 84% of clicks. A locked shelf that new listings rarely crack.
Brands
5 flat
Sellers
48
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
84%
Top 20: 100%
Open market
0%
- HiTauing73%
- Top Fin11%
- Zuqqony8%
- driamor4%
- Meidier4%
Demand
Top Fin Ef-s Filter Cartridges search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Nov · busiest ÷ quietest = 1.9×
Search terms
Top Top Fin Ef-s Filter Cartridges search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- ef-s fish tank filter12K/yr
- top fin ef-s filter cartridges11K/yr
- fish tank filter replacement pads5K/yr
- topfin ef-s filter cartridge4K/yr
- 5 gallon fish tank filter cartridge4K/yr
- efs fish tank filter3K/yr
- top fin ef-s element filter cartridge3K/yr
- ef-s filter cartridges fish tank3K/yr
Reviews and returns
What reviews say buyers love and hate about Top Fin Ef-s Filter Cartridges
We read the reviews and the return reasons for every product selling here.
“NOT a quality filter”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Top Fin Ef-s Filter Cartridges questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









