Is starite pool filters profitable to sell on Amazon United States?

The niche generates $137K/yr across 30 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +151.1%. Flapen's verdict: Worth a look (56/100).

How competitive is the starite pool filters niche?

18 brands and 52 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in starite pool filters?

Top complaints mined from reviews: Filtration, Durability, Leak-Proof. The return rate is 1.5%.

When does demand for starite pool filters peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.5× the quietest.

What does it cost to enter the starite pool filters niche?

Listings span $9.96–$596.55; the average listing price is $238.44 (sweet spot $15–$100). The average incumbent carries 91 reviews — the moat a new listing must climb.

starite pool filters

Worth a look

Shows demand growing +151.1% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+151.1%

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

Review moat

Incredible91.3

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.5%

return rate — above 5% kills the launch gate

Brand share

Good66%

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

Competition

Good53%

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

Avg price

Okay$238.44

avg listing price — sweet spot $15–$100

Conversion

Okay2.8%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Okay$137K

$137K/yr · 21K searches

Price range

Bad$9.96–$596.55

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

According to Flapen's Amazon United States niche tracking, starite pool filters is a $137K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 56/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

starite pool filters market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $179K–$238K; units × avg price
Conversion rate: 2.8%
Avg BSR: #560
Page quality: 0%
Prime: 93%
Sponsored: 97%
Out of stock: 0.7%
Avg brand age: 38 months
Avg seller age: 186 days

Competition & brand share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

53%

Top 20: 90%

Open market

27%

Savener18%
BLUEFLO14%
ZOTEE12%
Miory11%
Pentair10%
HANXER7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +151.1% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.5×

Open Trend

Top starite pool filters search terms

sta-rite pool filter5K/yr +285.7%2.1% conv.
sta rite system 3 pool filter parts3K/yr +247.5%3.1% conv.
sta rite pool filter6K/yr +101.2%2.9% conv.
starite pool filters4K/yr +69.5%3.0% conv.
s7m120 pool filter cartridges3K/yr +100.4%11.8% conv.

All search terms

Top starite pool filters 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Savener S7M120 System 3 Inner and Outer Pool Filter Compatible with 25021-0200S & 25022-0201S Replacement for Sta-Rite System 3 S7M120 SR300 Pool Filter Cartridge 300 Sq. Ft

Savener$272.784.2★199 rev

BLUEFLO S7M120 Pool Fliter Cartridges Inner and Outer Set Replacement for System 3 S7M120 Sta-Rite 25021-0200S & 25022-0201S SR300 Pentair 300sq.ft (Black)

BLUEFLO$257.624.4★67 rev

ZOTEE Pool Filters Cartridge Inner and Outer Set Replaces Sta-Rite 25021-0200s & 25022-0201s System 3 S7m120 300sq.ft (Black)

ZOTEE$242.254.6★82 rev

S7M120 Pool Filter Cartridges 170145 Pool Filter Replacement for sta-rite System 3 25021-0200S & 25022-0201S Pool Filter Cartridge Module Compatible with sta rite System 3 S7M120 Filter 300 Sq.Ft

Miory$288.954.8★32 rev

HANXER System 3 S7M120 Inner and Outer Set Pool Filters- Replacement for SR300 25021-0200S and 25022-0201S Pool Filter Cartridge 300 Sq.Ft.

HANXER$251.774.2★91 rev

Newest

by launch date

27002-0200S Pool Fliter Cartridges Replacement for sta-rite 27002-0200S Pool and Spa D.E. Filter Compatible with sta-rite PLM200 and System 2 Modular Media with Air Bleed Assembly 200 sq.ft

VELQUAI$148.784 rev

8mo ago

Vexca Swimming Pool Filter Cartridge Compatible with Sta-Rite System 3 S7M120 25021-0200S 25022-0201S Darlly SR300

Vexca$256.6615 rev

9mo ago

Cryspool CP-S7M120 Inner&Outer Filter Compatible with System 3 S7M120 25021-0200S & 25022-0201S SR300 300 Sq. Ft Pool Filter Cartridge 1 Set

Cryspool$317.3510 rev

10mo ago

Pewoaoa Compatible with Sta-Rite System 3 S8M150 Pool Filter Cartridge Replacement Kit (Inner & Outer) - Fits 170147 25022-0203S 25021-0202S SR450-450 Sq.Ft. Filtration Area5-Year Warranty

Pewoaoa$438.4714 rev

1y ago

27002-0100S Pool Fliter Cartridges Replacement Compatible with Sta-rite 27002-0100S Pool PLM100 and System 2 Modular Media and Spa D.E. Filter with Air Bleed Assembly 100 sq.ft

SDEAUP$136.9932 rev

1y ago

What buyers say about starite pool filters

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

What buyers love

Size-Overall26%

“fit as expected”

Filtration20%

“Great cartridge filtration”

Value For Money13%

“half the price”

Quality-Overall8%

“Build quality is excellent”

Assembly/Installation7%

“Easy to install”

Advertised Vs Actual Product5%

“As advertised”

Ease Of Cleaning3%

“I appreciate that the cartridges rinse clean easily”

Leak-Proof3%

“Hopefully this new o ring gasket will solve my leak problem”

Material Quality3%

“The material seems durable”

Durability2%

“durable”

What buyers complain about

Filtration21%

“Larger Filter Does Not Quite Fit”

Durability11%

“I don't expect it to last”

Leak-Proof10%

“leak after few days”

Material Quality10%

“The plastic is cheap garbage comparing to the pentair”

Size-Overall9%

“Does not fit”

Quality-Overall7%

“Horrible quality for $50”

Natural Resource Wastage5%

“Waste of money”

Value For Money3%

“They are very expensive to replace”

Portability2%

“Im literally not able to do that due to travels”

Assembly/Installation2%

“The fit was noticeably loose during installation”

Top return reasons

Size-Overall61%

Filtration17%

Advertised Vs Actual Product10%

Defective Material/Parts4%

Leak-Proof4%

Pressure1%

Value For Money1%

Functionality-Overall1%

Material Quality1%

Product Condition1%

Common questions

Is starite pool filters profitable to sell on Amazon United States?: The niche generates $137K/yr across 30 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +151.1%. Flapen's verdict: Worth a look (56/100).
How competitive is the starite pool filters niche?: 18 brands and 52 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in starite pool filters?: Top complaints mined from reviews: Filtration, Durability, Leak-Proof. The return rate is 1.5%.
When does demand for starite pool filters peak?: Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.5× the quietest.
What does it cost to enter the starite pool filters niche?: Listings span $9.96–$596.55; the average listing price is $238.44 (sweet spot $15–$100). The average incumbent carries 91 reviews — the moat a new listing must climb.