Top Fin Filter Cartridges
FailThe top 5 brands take 95% of clicks, so Top Fin Filter Cartridges is a Fail.
- Flapen Score
- 44 / 100Ranks 2,946 of 3,978 Pet Supplies niches · −7 vs the category median of 5144
- Market size
- $226K/yr226K searches / yr
- 90-day growth
- -17.0%search demand this quarter
- Competition
- 45%top-5 click share · 9 brands · 179 sellers
Flapen Score
Top Fin Filter Cartridges against its category
The dotted line is the Pet Supplies average. Past it, Top Fin Filter Cartridges is stronger. Inside it, weaker.
Market
The Top Fin Filter Cartridges market on Amazon at a glance
Shoppers on Amazon United States searched for Top Fin Filter Cartridges 226K times last year and spent an estimated $226K. The top 5 brands take 95% of clicks. Demand peaks in Jan. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 6.6% of those searches ended in a purchase.
Shoppers searched for this 226K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.6% of those searches ended in a purchase. Searches in the last 90 days moved -17.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $226K a year.
- Searches, last 12 months
- 226K
- Growth, 90 days vs prior 90
- -17.0%
- Conversion, latest week
- 6.6%
- Market size, estimated
- $226Ka year
- Peak month
- January1.7× the quietest month
- Top search term
- top fin filter cartridges75K searches a year
02 · Price
A sale here is worth $15.20.
Listings sell for $15.20 on average, from $7.70 to $32.94. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 500 to 750 of them. At $15.20 that is $8K to $11K a year per listing.
- Average price
- $15.20inside the $15 to $100 sweet spot
- Price range
- $7.70–$32.94
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $8K–$11K
- Returns
- 3.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
84% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #106 within Fish & Aquatic Pets. It carries 3,005 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 100%
- Out of stock, average day
- 0.3%
- Average rank
- #106in Fish & Aquatic Pets
- Average rating
- 4.56 starsAmazon United States average 4.42 stars
- Average reviews
- 3,005per listing
- Listings tracked
- 31
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 58 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 58 months
Products
Top Top Fin 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
Top Fin Silenstream Large PF-L Filter Cartridges Refill
- Price
- $24.32
- Rating
- 4.8/5
- Reviews
- 627
- Age
- 3y ago

Top Fin Silenstream PF-S Refill for PF10 Power Filters 5.5in x 3.1 - (3 Count)
- Price
- $13.93
- Rating
- 4.7/5
- Reviews
- 1,625
- Age
- 5y 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

HiTauing 12 Packs PF-S Filter Cartridge for PF10 Power Filters ONLY fit to Model PF10 Power Filters
- Price
- $11.40
- Rating
- 4.6/5
- Reviews
- 2,404
- Age
- 4y 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
Trending
estimated 90-day click momentum
Top Fin Silenstream PF-S Refill for PF10 Power Filters 5.5in x 3.1 - (3 Count)
- Price
- $13.93
- Rating
- 4.7/5
- Reviews
- 1,625
- Age
- 5y ago

Hedday 8 Packs Filter Cartridge Compatible with Top Fin EF-S Element 8 Packs Aquarium Filter for BF5 BETTAFLO EF-S Filter Cartridges Compatible with Top Fin Fish Tank
- Price
- $10.02
- Rating
- 4.6/5
- Reviews
- 276
- Age
- 3y ago

driamor 6 Pack PF-L Filter Cartridges Fish Tank Aquarium Filter Cartridge Replacement with Zeolite Compatible with PF20 PF30 PF40 and PF75 Power Filters
- Price
- $9.54
- Rating
- 4.5/5
- Reviews
- 844
- Age
- 3y ago

driamor 16 Pack PF-L Fish Tank Filter Cartridges Compatible with PF20 PF30 PF40 and PF75 Power Filters Aquarium Large Carbon Filters Cartridge Replacement
- Price
- $20.87
- Rating
- 4.5/5
- Reviews
- 844
- 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
Newest
by launch date
lasuroa Filter Cartridges Compatible with Topfin Top Fin EF-S & BF5 BETTAFLO 3.7x2.1 Inch Fish Tank Filter Cartridge Replacement for Aquarium Water Filtration (EF-S 6)
- Price
- $8.69
- Rating
- 4.3/5
- Reviews
- 103
- Age
- 1y 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

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

Zuqqony 8 Pack PF-L Filter Cartridges Compatible with Top Fin Silenstream PF20 PF30 PF40 and PF75 Power Filters Remplacement Aquarium Carbon Cartridge with Zeolite
- Price
- $12.68
- Rating
- 4.6/5
- Reviews
- 879
- Age
- 2y ago

Zuqqony 15 Pack PF-L Filter Cartridges Compatible with Top Fin Silenstream PF20 PF30 PF40 and PF75 Power Filters Remplacement Aquarium Carbon Cartridge with Zeolite
- Price
- $18.44
- Rating
- 4.6/5
- Reviews
- 879
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 45% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 rising
Sellers
179
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
45%
Top 20: 91%
Open market
3%
- Top Fin34%
- Zuqqony28%
- HiTauing24%
- Tetra7%
- driamor2%
- lasuroa2%
- Open — no brand owns it (3 brands, 3%)
Demand
Top Fin Filter Cartridges search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan · busiest ÷ quietest = 1.7×
Search terms
Top Top Fin Filter Cartridges search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- top fin filter cartridges75K/yr
- topfin aquarium filter46K/yr
- top fin filter36K/yr
- top fin37K/yr
- top fin aquarium filter9K/yr
- topfin6K/yr
- topfin filter5K/yr
- top fin filters5K/yr
- top fin fish tank filter5K/yr
- top fin small filter cartridge2K/yr
Reviews and returns
What reviews say buyers love and hate about Top Fin Filter Cartridges
We read the reviews and the return reasons for every product selling here.
“Breaks easily”
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.
16 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 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









