Is pond filter box profitable to sell on Amazon United States?

The niche generates $55K/yr across 19 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +135.5%. Flapen's verdict: Worth a look (57/100).

How competitive is the pond filter box niche?

13 brands and 29 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in pond filter box?

Top complaints mined from reviews: Size-Overall, Jamming/Clogging, Filtration. The return rate is 2.0%.

When does demand for pond filter box peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.2× the quietest.

What does it cost to enter the pond filter box niche?

Listings span $6.79–$170.82; the average listing price is $33.72 (sweet spot $15–$100). The average incumbent carries 602 reviews — the moat a new listing must climb.

pond filter box

Worth a look

Shows demand growing +135.5% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+135.5%

90-day search growth — must beat 0% to launch

Avg price

Incredible$33.72

avg listing price — sweet spot $15–$100

Returns

Great2.0%

return rate — above 5% kills the launch gate

Review moat

Good601.63

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good$6.79–$170.82

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good75%

top-5 brand share — brands hold most of the demand

Competition

Okay58%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay3.1%

search→purchase rate — share of searches ending in a sale

Market size

Bad$55K

$55K/yr · 52K searches

Signals Trending

According to Flapen's Amazon United States niche tracking, pond filter box is a $55K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 57/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

pond filter box market data

Units sold / yr: 2K–2K; avg 100–250/product
Revenue / yr: $51K–$67K; units × avg price
Conversion rate: 3.1%
Avg BSR: #89
Page quality: 0%
Prime: 100%
Sponsored: 79%
Out of stock: 0.0%
Avg brand age: 53 months
Avg seller age: 161 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

58%

Top 20: 100%

Open market

16%

TotalPond23%
Hecaty19%
POPOSOAP12%
Tetra12%
Fineday10%
antfraer9%
Open — no brand owns it (7 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +135.5% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.2×

Open Trend

Top pond filter box search terms

pond filter box28K/yr +136.8%2.5% conv.
pond pump filter box12K/yr +110.6%3.8% conv.
pond pump box9K/yr +148.7%3.2% conv.
filter box for pond pump4K/yr +175.4%4.0% conv.

All search terms

Top pond filter box products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

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

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

TotalPond Universal Pump Filter Box

TotalPond$35.754.6★1,805 rev

TetraPond Submersible Flat Box Filter For 250 To 500 Gallon Ponds

Tetra$17.924.3★4,280 rev

POPOSOAP Pond Filter for Outdoor Ponds Filter Box with 2 Filter Pads and 20 Bio-Balls for Outdoor Pond Pump Submersible Fountain Pump

POPOSOAP$36.574.2★77 rev

Hecaty Pond Filter Bag Pump Barrier Bag Anti-Clogging Cube Filter Box Black Media Bag Pump Mesh Bag for Outdoor Water Fish Ponds(10 inch)

Hecaty$10.944.6★621 rev

Antfraer Pond Filter Box Outdoor Water Garden Filter Case for Pump Maintenance Submersible & Fountain System Compatible No Pump Included

antfraer$35.194.5★52 rev

Newest

by launch date

FUMAK Pond Filter Pump with 4-Stage Filtration System | 25W 400GPH Submersible Pond Pump | Pond Filter Box for 200-350 Gal Outdoor Koi Fish Pond Garden Fountain Waterfall & Water Feature

FUMAK$46.1024 rev

1mo ago

Fineday Pond Filter Anti-Clogging Water Pump Barrier Bag Box Basket (5 General)

Fineday$6.79857 rev

3mo ago

AquaMiracle 400GPH Pond Filter Pump with 4-Stage Filtration | Pond Pump Filter Box | Fish Pond Filter for Outdoor Ponds 200-350 Gal | for Garden Waterfall Fountain Water Feature

AquaMiracle$49.7029 rev

5mo ago

Antfraer Small Pond Filter Box - Pond Filter with Bio-Balls & Ceramic Rings Submersible/Fountain Pump Compatible for Koi Ponds Garden Fountains & Aquariums (No Built-in Pump)

antfraer$27.5252 rev

5mo ago

VCRAZE Stainless Steel Pond Filter Box with 3-Stage Filtration Includes Filter Sponges Ceramic Rings & Bio-Balls Fish Pond Filter for Outdoor Ponds Garden Waterfall Fountain & Water Feature

VCRAZE$43.4517 rev

7mo ago

What buyers say about pond filter box

What buyers praise and complain about, mined from review topics.

What buyers love

Filtration18%

“Good filter”

Ease Of Cleaning10%

“Keeps pump clean”

Assembly/Installation8%

“Easy assembly”

Advertised Vs Actual Product7%

“As advertised”

Quality-Overall6%

“The quality of the box looks phenomenal”

Design-Overall5%

“Good design”

Value For Money4%

“its worth it”

Strength3%

“Sturdy as heck”

Spray/Flow3%

“Water flow has remained strong”

Durability3%

“Overall, it feels durable, efficient, and reliable”

What buyers complain about

Size-Overall18%

“Bag is too small”

Jamming/Clogging8%

“Bags eventually get clogged up, as expected,”

Filtration6%

“Ineffective water pump/filter”

Durability5%

“Collapsed and broke after a few days”

Ease Of Cleaning4%

“A lot longer time between cleaning”

Instructions/User Manual/Troubleshooting4%

“as the manual is awful”

Strength4%

“When I first opened the package I thought it looked to fragile to last with the small rods and corner connectors,”

Functionality-Overall3%

“Doesnt really work”

Quality-Overall3%

“Worthless junk”

Value For Money2%

“I wouldnt pay 10 cents for this junk”

Top return reasons

Size-Overall78%

Filtration6%

Advertised Vs Actual Product4%

Functionality-Overall2%

Defective Material/Parts2%

Value For Money1%

Compatibility-Overall1%

Connectivity-Overall1%

Durability1%

Instructions/User Manual/Troubleshooting1%

Common questions

Is pond filter box profitable to sell on Amazon United States?: The niche generates $55K/yr across 19 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +135.5%. Flapen's verdict: Worth a look (57/100).
How competitive is the pond filter box niche?: 13 brands and 29 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in pond filter box?: Top complaints mined from reviews: Size-Overall, Jamming/Clogging, Filtration. The return rate is 2.0%.
When does demand for pond filter box peak?: Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.2× the quietest.
What does it cost to enter the pond filter box niche?: Listings span $6.79–$170.82; the average listing price is $33.72 (sweet spot $15–$100). The average incumbent carries 602 reviews — the moat a new listing must climb.