Aquarium Filter
MaybeShoppers spend an estimated $4.7M a year here. But demand is soft, at -6.2% this quarter, so Aquarium Filter is a Maybe.
- Flapen Score
- 61 / 100Top 12% of 3,978 Pet Supplies niches · +10 vs the category median of 5161
- Market size
- $4.7M/yr3.4M searches / yr
- 90-day growth
- -6.2%search demand this quarter
- Competition
- 41%top-5 click share · 23 brands · 82 sellers
Flapen Score
Aquarium Filter against its category
The dotted line is the Pet Supplies average. Past it, Aquarium Filter is stronger. Inside it, weaker.
Market
The Aquarium Filter market on Amazon at a glance
Shoppers on Amazon United States searched for Aquarium Filter 3.4M times last year and spent an estimated $4.7M. The top 5 brands take 72% of clicks. Flapen scores it 61 out of 100, a Maybe.
01 · Demand
An estimated 4.6% of those searches ended in a purchase.
Shoppers searched for this 3.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.6% of those searches ended in a purchase. Searches in the last 90 days moved -6.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4.7M a year.
- Searches, last 12 months
- 3.4M
- Growth, 90 days vs prior 90
- -6.2%
- Conversion, latest week
- 4.6%
- Market size, estimated
- $4.7Ma year
- Peak month
- August1.2× the quietest month
- Top search term
- aquarium filter958K searches a year
02 · Price
A sale here is worth $30.25.
Listings sell for $30.25 on average, from $6.37 to $211.38. Amazon reports units sold in ranges. This niche sold 125K to 150K a year. The average listing sells 2,000 to 2,500 of them. At $30.25 that is $61K to $76K a year per listing.
- Average price
- $30.25inside the $15 to $100 sweet spot
- Price range
- $6.37–$211.38
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 125K–150K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- $61K–$76K
- Returns
- 2.8%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.3% of listings are out of stock. The average listing ranks #34 within Fish & Aquatic Pets. It carries 8,260 reviews at 4.23 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 1.3%
- Average rank
- #34in Fish & Aquatic Pets
- Average rating
- 4.23 starsAmazon United States average 4.42 stars
- Average reviews
- 8,260per listing
- Listings tracked
- 44
04 · Newcomers
8 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 8 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 8
- Successful launches
- 8Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top Aquarium Filter 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
Tetra Whisper IQ Power Filter 20 Gallons 130 GPH with Stay Clean Technology
- Price
- $21.18
- Rating
- 4.2/5
- Reviews
- 13,787
- Age
- 9y ago

Tetra Whisper Internal Power Filter Medium Bio-Bag Filter Cartridges 3-Stage Filtration 5-10 gal
- Price
- $15.61
- Rating
- 4.3/5
- Reviews
- 22,392
- Age
- 22y ago

NICREW Slim Aquarium Filter Quiet Fish Tank HOB Filters for up to 5 Gallon Aquariums Adjustable Flow 42 GPH 3W
- Price
- $12.34
- Rating
- 4.1/5
- Reviews
- 2,763
- Age
- 2y ago

Marineland Bio-Wheel Penguin 350 GPH Power Aquarium Filter Ultra-Quiet Hang-On-Back Fish Tank Filter with Multi-Stage Filtration for Aquariums Up to 60 Gallons
- Price
- $43.62
- Rating
- 4.3/5
- Reviews
- 41,200
- Age
- 22y ago

Marineland Bio-Wheel Penguin 200 GPH Power Aquarium Filter Ultra-Quiet Hang-On-Back Fish Tank Filter with Multi-Stage Filtration for Aquariums Up to 40 Gallons
- Price
- $37.91
- Rating
- 4.3/5
- Reviews
- 41,200
- Age
- 22y ago
Trending
estimated 90-day click momentum
QiQiWader Fish Tank Filter 10-40 Gallon Fish Tank Filter 6W 130GPH Equipped with Adjustable Aeration Function.
- Price
- $16.18
- Rating
- 3.8/5
- Reviews
- 51
- Age
- 5mo ago

265 GPH 4-in-1 aquarium filter 20-80 gallon fish tank filters Filtration and Oxygenation filter for fish tank with biochemical cotton ceramic beads Multi-functional turtle tank filter(15 W)
- Price
- $19.98
- Rating
- 4.4/5
- Reviews
- 63
- Age
- 11mo ago

QiQiWader Small Aquarium Filter Fish Tank Filter Suitable for 3-10 Gallon Fish Tanks 3W 80GPH with Two Modes Switching Function.
- Price
- $16.80
- Rating
- 4.1/5
- Reviews
- 98
- Age
- 9mo ago

Aqua-Tech Ultra Quiet Power Filter For Aquariums 10-20 Gallons
- Price
- $20.38
- Rating
- 4.3/5
- Reviews
- 6,886
- Age
- 5y ago

Marineland Bio-Wheel Penguin 200 GPH Power Aquarium Filter Ultra-Quiet Hang-On-Back Fish Tank Filter with Multi-Stage Filtration for Aquariums Up to 40 Gallons
- Price
- $37.91
- Rating
- 4.3/5
- Reviews
- 41,200
- Age
- 22y ago
Newest
by launch date
QiQiWader Fish Tank Filter 10-40 Gallon Fish Tank Filter 6W 130GPH Equipped with Adjustable Aeration Function.
- Price
- $16.18
- Rating
- 3.8/5
- Reviews
- 51
- Age
- 5mo ago

QiQiWader Small Aquarium Filter Fish Tank Filter Suitable for 3-10 Gallon Fish Tanks 3W 80GPH with Two Modes Switching Function.
- Price
- $16.80
- Rating
- 4.1/5
- Reviews
- 98
- Age
- 9mo ago

hygger Quiet Hang On Back Aquarium Filter 5-30 Gallon Small Fish Tank Canister Filter with Surface Skimmer Spray Bar 3 Floss Pads Bio Filter Media Adjustable Flow Easy Water Change 132 GPH
- Price
- $42.34
- Rating
- 3.9/5
- Reviews
- 204
- Age
- 10mo ago

265 GPH 4-in-1 aquarium filter 20-80 gallon fish tank filters Filtration and Oxygenation filter for fish tank with biochemical cotton ceramic beads Multi-functional turtle tank filter(15 W)
- Price
- $19.98
- Rating
- 4.4/5
- Reviews
- 63
- Age
- 11mo ago

PONDFORSE Canister Filter External Aquarium Filter Ultra-Quiet Water Circulation Cleaning Machine with Media for Fish Tanks and Aquariums
- Price
- $62.85
- Rating
- 4.0/5
- Reviews
- 1,539
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
23 falling
Sellers
82
Est. top-5 brand share
72%
Top 20: 98%
Est. top-5 click share
41%
Top 20: 76%
Open market
24%
- Tetra46%
- MarineLand9%
- NICREW7%
- DaToo5%
- QiQiWader4%
- PONDFORSE4%
Demand
Aquarium Filter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Aquarium Filter search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- aquarium filter958K/yr
- fish tank filters620K/yr
- fish tank filter331K/yr
- fish filter168K/yr
- 10 gallon fish tank filter134K/yr
- 20 gallon fish tank filter105K/yr
- aquarium filters117K/yr
- filter for fish tank104K/yr
- small fish tank filter93K/yr
- filtro para pecera84K/yr
Reviews and returns
What reviews say buyers love and hate about Aquarium Filter
We read the reviews and the return reasons for every product selling here.
“Comes apart”
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 Aquarium Filter 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









