Submersible Filter
FailShoppers spend an estimated $51K a year here, so Submersible Filter is a Fail.
- Flapen Score
- 46 / 100Ranks 2,652 of 3,978 Pet Supplies niches · −5 vs the category median of 5146
- Market size
- $51K/yr30K searches / yr
- 90-day growth
- -6.6%search demand this quarter
- Competition
- 56%top-5 click share · 14 brands · 33 sellers
Flapen Score
Submersible Filter against its category
The dotted line is the Pet Supplies average. Past it, Submersible Filter is stronger. Inside it, weaker.
Market
The Submersible Filter market on Amazon at a glance
Shoppers on Amazon United States searched for Submersible Filter 30K times last year and spent an estimated $51K. The top 5 brands take 81% of clicks. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 6.7% of those searches ended in a purchase.
Shoppers searched for this 30K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.7% of those searches ended in a purchase. Searches in the last 90 days moved -6.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $51K a year.
- Searches, last 12 months
- 30K
- Growth, 90 days vs prior 90
- -6.6%
- Conversion, latest week
- 6.7%
- Market size, estimated
- $51Ka year
- Peak month
- February1.2× the quietest month
- Top search term
- submersible filter5K searches a year
02 · Price
A sale here is worth $25.70.
Listings sell for $25.70 on average, from $6.20 to $72.88. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At $25.70 that is $3K to $6K a year per listing.
- Average price
- $25.70inside the $15 to $100 sweet spot
- Price range
- $6.20–$72.88
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$6K
- Returns
- 3.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
70% 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 #391 within Fish & Aquatic Pets. It carries 2,351 reviews at 4.28 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 70%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #391in Fish & Aquatic Pets
- Average rating
- 4.28 starsAmazon United States average 4.42 stars
- Average reviews
- 2,351per listing
- Listings tracked
- 23
04 · Newcomers
2 of last year's 7 launches cleared the first-year sales bar.
7 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 7
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top Submersible 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
Fluval U3 Underwater Filter Designed for Freshwater and Saltwater Aquariums Also Ideal for Terrariums and Turtle Tanks
- Price
- $35.81
- Rating
- 4.0/5
- Reviews
- 2,139
- Age
- 21y ago

Fluval U4 Underwater Filter Freshwater and Saltwater Aquarium Filter A480 Black
- Price
- $72.88
- Rating
- 4.3/5
- Reviews
- 3,212
- Age
- 21y ago

Fluval U3 Underwater Filter
- Price
- $8.21
- Rating
- 4.6/5
- Reviews
- 1,304
- Age
- 15y ago

beaufan 2 Set Aquarium Filter Media Compatible with Fluval U3 Underwater Filter Include 4 Carbon Foam Filter Pads 4 Sponge Filters and 1 Ceramic Ring Fit for Freshwater and Saltwater Aquariums
- Price
- $31.55
- Rating
- 4.7/5
- Reviews
- 20
- Age
- 11mo ago

NICREW Aquarium Internal Filter Submersible Power Filter with Multiple Function for Fish Tanks 5-10 Gallon 53 GPH 5W
- Price
- $10.06
- Rating
- 4.2/5
- Reviews
- 5,646
- Age
- 5y ago
Trending
estimated 90-day click momentum
COOSPIDER Pool Filter 600GPH with U-V Light for 75-1000 Gallon Swimming Pool Cold Plunge Tub Small Pond Submersible Cold Plunge Filter with 35W Pump for Water Clean & Clarity Wave Make Filtration
- Price
- $59.48
- Rating
- 3.9/5
- Reviews
- 17
- Age
- 6mo ago

SYSENCIAGA Aquarium Filter with UV 450GPH for 40-150 Gallon Tanks Submersible with Timer for Crystal Clear Water in Aquarium Pond Turtle Tank25W
- Price
- $29.77
- Rating
- 4.1/5
- Reviews
- 58
- Age
- 7mo ago

Czarixa Aquarium Filter Bio Foam Pads Compatible with Fluval U3 Underwater Filter A487 Replacement Filter Foam for Fish Tank Filter Sponge Media for Freshwater and Saltwater Tanks 10 Pack
- Price
- $12.84
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 5mo 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

Fluval U1 Underwater Filter Freshwater and Saltwater Aquarium Filter A465 Black
- Price
- $33.31
- Rating
- 4.0/5
- Reviews
- 1,140
- Age
- 21y ago
Newest
by launch date
Czarixa Aquarium Filter Bio Foam Pads Compatible with Fluval U3 Underwater Filter A487 Replacement Filter Foam for Fish Tank Filter Sponge Media for Freshwater and Saltwater Tanks 10 Pack
- Price
- $12.84
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 5mo ago

COOSPIDER Pool Filter 600GPH with U-V Light for 75-1000 Gallon Swimming Pool Cold Plunge Tub Small Pond Submersible Cold Plunge Filter with 35W Pump for Water Clean & Clarity Wave Make Filtration
- Price
- $59.48
- Rating
- 3.9/5
- Reviews
- 17
- Age
- 6mo ago

SYSENCIAGA Aquarium Filter with UV 450GPH for 40-150 Gallon Tanks Submersible with Timer for Crystal Clear Water in Aquarium Pond Turtle Tank25W
- Price
- $29.77
- Rating
- 4.1/5
- Reviews
- 58
- Age
- 7mo ago

Pangda 12 Pcs Carbon Filter Foam Pads and Foam Filters Compatible with U3 Range of Internal Underwater Sponge Aquarium Underwater Filter Accessories for Internal Replacement Aquarium Fish Tank
- Price
- $18.94
- Rating
- 4.0/5
- Reviews
- 5
- Age
- 10mo ago

Threlaco 15 Pcs / 2 Set Underwater Filter Media Compatible with Fluval U3 Including 4 Filter Foam Pad 4 Poly/Carbon 500g Bio-Ring 4 Mesh Bags 2 Grease for Freshwater Saltwater Aquariums
- Price
- $27.57
- Rating
- 4.9/5
- Reviews
- 10
- Age
- 10mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 56% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 rising
Sellers
33
Est. top-5 brand share
81%
Top 20: 100%
Est. top-5 click share
56%
Top 20: 98%
Open market
16%
- Fluval59%
- beaufan6%
- TARARIUM6%
- NICREW5%
- AquaMiracle5%
- Tetra4%
- Open — no brand owns it (8 brands, 16%)
Demand
Submersible Filter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Submersible Filter search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- submersible filter5K/yr
- submersible water filter4K/yr
- fluval u45K/yr
- fluval u35K/yr
- fluval u3 filter replacement5K/yr
- underwater filter2K/yr
- fluval underwater filter2K/yr
- fluval u3 filter2K/yr
Reviews and returns
What reviews say buyers love and hate about Submersible Filter
We read the reviews and the return reasons for every product selling here.
“Breaks quickly”
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 Submersible 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









