---
title: "Ws627b Filter Samsung — $12K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/ws627b-filter-samsung"
last_updated: "2026-08-09T06:09:34.253Z"
locale: en
meta:
description: "Niche score 35/100 · $12K/yr market · 2K searches/yr · $28.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $12K/yr market · 2K searches/yr · $28.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ws627b Filter Samsung — $12K/yr Amazon US Niche (2026) - Flapen"
---
# **ws627b filter samsung**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 3Growth 22Conversion 100Competition 0Returns 88Price range 95Avg price 95Brand share 0Review moat 12Quality gap 19
**Conversion**
**Incredible****25.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$28.10**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$24.85–$34.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-5.1%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****27,833.5**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$12K**
$12K/yr · 2K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, ws627b filter samsung is a $12K/yr Amazon United States market (2K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 35/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ws627b filter samsung market data**
- **Units sold / yr**
- **250–500**
- avg 100–250/product
- **Revenue / yr**
- **$7K–$14K**
- units × avg price
- **Conversion rate**
- **25.8%**
- **Avg BSR**
- **#30**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **78 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **▼falling
**Sellers**
**8**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Waterspecialist100%
## **Demand & seasonality**
Weekly Amazon search volume, last 106 weeks — -5.1% search growth over the last 90 days.
7050Prime Day '24Spike '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26Prime Day '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/appliances/ws627b-filter-samsung/trend)
## **Top ws627b filter samsung 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%20%$2K40%$5K60%$7K80%$10K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Waterspecialist Refrigerator Water Filter Replacement for Samsung 3 Pack**Waterspecialist**$26.09**4.7★31,441 rev](https://www.amazon.com/dp/B078WL6VFS) [2**Waterspecialist Refrigerator Water Filter Replacement for Samsung 4 Pack**Waterspecialist**$34.23**4.7★31,441 rev](https://www.amazon.com/dp/B078WJ96N7) [3**Waterspecialist Refrigerator Water Filter Replacement for Samsung 2 Pack**Waterspecialist**$24.85**4.7★31,441 rev](https://www.amazon.com/dp/B078WJS3H3) [4**Waterspecialist WS645A Refrigerator Water Filter 3 Pack**Waterspecialist**$27.23**4.7★17,011 rev](https://www.amazon.com/dp/B07KP6X4YK)
### **Newest**
by launch date
[**Waterspecialist WS645A Refrigerator Water Filter 3 Pack**Waterspecialist**$27.23**17,011 rev7y ago](https://www.amazon.com/dp/B07KP6X4YK) [**Waterspecialist Refrigerator Water Filter Replacement for Samsung 3 Pack**Waterspecialist**$26.09**31,441 rev8y ago](https://www.amazon.com/dp/B078WL6VFS) [**Waterspecialist Refrigerator Water Filter Replacement for Samsung 4 Pack**Waterspecialist**$34.23**31,441 rev8y ago](https://www.amazon.com/dp/B078WJ96N7) [**Waterspecialist Refrigerator Water Filter Replacement for Samsung 2 Pack**Waterspecialist**$24.85**31,441 rev8y ago](https://www.amazon.com/dp/B078WJS3H3)
### **Trending**
90-day click momentum
[**Waterspecialist Refrigerator Water Filter Replacement for Samsung 2 Pack**Waterspecialist**$24.85**4.7★**▲ 141%**](https://www.amazon.com/dp/B078WJS3H3) [**Waterspecialist Refrigerator Water Filter Replacement for Samsung 4 Pack**Waterspecialist**$34.23**4.7★**▲ 125%**](https://www.amazon.com/dp/B078WJ96N7) [**Waterspecialist Refrigerator Water Filter Replacement for Samsung 3 Pack**Waterspecialist**$26.09**4.7★**— 10%**](https://www.amazon.com/dp/B078WL6VFS) [**Waterspecialist WS645A Refrigerator Water Filter 3 Pack**Waterspecialist**$27.23**4.7★**▼ 28%**](https://www.amazon.com/dp/B07KP6X4YK)
## **What buyers say about ws627b filter samsung**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**20%
*“Fair price”*
**Size-Overall**18%
*“Fit great”*
**Filtration**16%
*“Good water filters”*
**Quality-Overall**13%
*“Economical quality”*
**Advertised Vs Actual Product**10%
*“as advertised”*
**Compatibility-Overall**5%
*“Compatible with my Samsung refrigerator”*
**Assembly/Installation**4%
*“The filter installed easily”*
**Ease Of Use**3%
*“Easy to replace”*
**Efficiency**3%
*“Works great”*
**Leak-Proof**2%
*“No water leaks”*
### **What buyers complain about **
**Filtration**30%
*“Didnt even filter water properly”*
**Leak-Proof**24%
*“WATER LEAKED”*
**Value For Money**7%
*“Back to the expensive stuff for us”*
**Compatibility-Overall**6%
*“Does not work in my Samsung fridge”*
**Functionality-Overall**4%
*“its not working at all”*
**Drainage**4%
*“poor quality leading to kitchen flood”*
**Size-Overall**4%
*“it didnt even fit correctly”*
**Quality-Overall**4%
*“Cheap and good”*
**Durability**3%
*“Doesnt last long at all”*
**Advertised Vs Actual Product**3%
*“Does not fit models listed”*
### **Top return reasons **
**Size-Overall**52%
**Compatibility-Overall**17%
**Filtration**14%
**Leak-Proof**3%
**Functionality-Overall**3%
**Advertised Vs Actual Product**2%
**Value For Money**2%
**Defective Material/Parts**1%
**Connectivity-Overall**1%
**Water Resistance**1%
## **Common questions**
- **Is ws627b filter samsung profitable to sell on Amazon United States?**
- The niche generates $12K/yr across 4 tracked products. 90-day search growth is -5.1%. Flapen's verdict: Skip it (35/100).
- **How competitive is the ws627b filter samsung niche?**
- 1 brands and 8 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in ws627b filter samsung?**
- Top complaints mined from reviews: Filtration, Leak-Proof, Value For Money. The return rate is 1.4%.
- **When does demand for ws627b filter samsung peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the ws627b filter samsung niche?**
- Listings span $24.85–$34.23; the average listing price is $28.10 (sweet spot $15–$100). The average incumbent carries 27,834 reviews — the moat a new listing must climb.
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