---
title: "Starite Pool Filters — $137K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/starite-pool-filters"
last_updated: "2026-08-09T21:48:28.644Z"
locale: en
meta:
description: "Niche score 56/100 · $137K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $137K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Starite Pool Filters — $137K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 30Growth 96Conversion 35Competition 53Returns 85Price range 14Avg price 40Brand share 65Review moat 95Quality gap 32
**Growth**
**Incredible****+151.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Incredible****91.3**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****$238.44**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****2.8%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
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
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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**
**52**
**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.
900700Spike '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.5×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/starite-pool-filters/trend)
## **Top starite pool filters search terms**
- **sta-rite pool filter**5K/yr+285.7%2.1% conv. - **sta rite system 3 pool filter parts**3K/yr+247.5%3.1% conv. - **sta rite pool filter**6K/yr+101.2%2.9% conv. - **starite pool filters**4K/yr+69.5%3.0% conv. - **s7m120 pool filter cartridges**3K/yr+100.4%11.8% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/starite-pool-filters/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.
0%4%$5K8%$11K12%$16K16%$22K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$272.78**4.2★199 rev](https://www.amazon.com/dp/B08V8B2461) [2**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**$257.62**4.4★67 rev](https://www.amazon.com/dp/B0CRYBXPGH) [3**ZOTEE Pool Filters Cartridge Inner and Outer Set Replaces Sta-Rite 25021-0200s & 25022-0201s System 3 S7m120 300sq.ft (Black)**ZOTEE**$242.25**4.6★82 rev](https://www.amazon.com/dp/B0C8SNPK4Q) [4**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**$288.95**4.8★32 rev](https://www.amazon.com/dp/B0D1Y9W2L4) [5**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**$251.77**4.2★91 rev](https://www.amazon.com/dp/B0BX32HQJG)
**~~View all top sellers →~~**
### **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**$148.78**4 rev8mo ago](https://www.amazon.com/dp/B0G1KL8S89) [**Vexca Swimming Pool Filter Cartridge Compatible with Sta-Rite System 3 S7M120 25021-0200S 25022-0201S Darlly SR300**Vexca**$256.66**15 rev9mo ago](https://www.amazon.com/dp/B0FTVHJ6FH) [**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**$317.35**10 rev10mo ago](https://www.amazon.com/dp/B0FR4VDRLL) [**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**$438.47**14 rev1y ago](https://www.amazon.com/dp/B0FGW9J94N) [**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**$136.99**32 rev1y ago](https://www.amazon.com/dp/B0FFX6XNHL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Yoozell YZ688E. System 3 S7M120 Pool Filter Inner&Outer Replacement 25021-0200S 25022-0201S Darlly SR300 300Sq.ft Inground Pool Cartridges (Black)**Yoozell**$219.95**4.7★**▲ 87%**](https://www.amazon.com/dp/B0DQP1C9YC) [**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**$148.78**5.0★**▲ 81%**](https://www.amazon.com/dp/B0G1KL8S89) [**Vexca Swimming Pool Filter Cartridge Compatible with Sta-Rite System 3 S7M120 25021-0200S 25022-0201S Darlly SR300**Vexca**$256.66**5.0★**▲ 67%**](https://www.amazon.com/dp/B0FTVHJ6FH) [**ZOTEE Pool Filters Cartridge Inner and Outer Set Replaces Sta-Rite 25021-0200s & 25022-0201s System 3 S7m120 300sq.ft (Black)**ZOTEE**$242.25**4.6★**▲ 49%**](https://www.amazon.com/dp/B0C8SNPK4Q) [**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**$257.62**4.4★**▲ 41%**](https://www.amazon.com/dp/B0CRYBXPGH)
**~~View all trending →~~**
## **What buyers say about starite pool filters**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**26%
*“fit as expected”*
**Filtration**20%
*“Great cartridge filtration”*
**Value For Money**13%
*“half the price”*
**Quality-Overall**8%
*“Build quality is excellent”*
**Assembly/Installation**7%
*“Easy to install”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Ease Of Cleaning**3%
*“I appreciate that the cartridges rinse clean easily”*
**Leak-Proof**3%
*“Hopefully this new o ring gasket will solve my leak problem”*
**Material Quality**3%
*“The material seems durable”*
**Durability**2%
*“durable”*
### **What buyers complain about **
**Filtration**21%
*“Larger Filter Does Not Quite Fit”*
**Durability**11%
*“I don't expect it to last”*
**Leak-Proof**10%
*“leak after few days”*
**Material Quality**10%
*“The plastic is cheap garbage comparing to the pentair”*
**Size-Overall**9%
*“Does not fit”*
**Quality-Overall**7%
*“Horrible quality for $50”*
**Natural Resource Wastage**5%
*“Waste of money”*
**Value For Money**3%
*“They are very expensive to replace”*
**Portability**2%
*“Im literally not able to do that due to travels”*
**Assembly/Installation**2%
*“The fit was noticeably loose during installation”*
### **Top return reasons **
**Size-Overall**61%
**Filtration**17%
**Advertised Vs Actual Product**10%
**Defective Material/Parts**4%
**Leak-Proof**4%
**Pressure**1%
**Value For Money**1%
**Functionality-Overall**1%
**Material Quality**1%
**Product Condition**1%
## **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.
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