---
title: "ws645a water filter samsung — Niche Verdict: Skip it (28/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/appliances/ws645a-water-filter-samsung"
last_updated: "2026-07-10T00:55:38.782Z"
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meta:
  description: "a concentrated shelf (top 5 take 100% of clicks) — ws645a water filter samsung doesn't clear our bar today."
  "og:description": "a concentrated shelf (top 5 take 100% of clicks) — ws645a water filter samsung doesn't clear our bar today."
  "og:title": "ws645a water filter samsung — Niche Verdict: Skip it (28/100) | Amazon United States - Flapen"
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# **ws645a water filter samsung**

**Skip it****28/100 **

a concentrated shelf (top 5 take 100% of clicks) — ws645a water filter samsung doesn't clear our bar today.

**Market/yr**

**$124K**

**Growth (1y)**

**+52.7%**

**Products**

**5**

**Brands**

**4**

was 3 a year ago

**Sellers**

**19**

**Price range**

**$20.70–$37.68**

**Returns**

**1.2%**

**Rating**

**4.7★**

**Skip it**

Scored 28/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**6**

 ×0.30

Growth

**51**

 ×0.30

Competition

**0**

 ×0.20

Quality gap

**22**

 ×0.10

Returns

**90**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 94 weeks — +52.7% year over year.

569284.5Spike '24Spike '25Prime Day '25Spike '26Sep '24Dec '24Apr '25Jul '25Nov '25Feb '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.6×

## **Competition**

- Waterspecialist75% - ICEPURE12% - Samsung7% - SETFEEL6%

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack. 4 brands and 19 sellers compete here.

**Brands**

**4 **▲rising

was 3 a year ago

**Sellers**

**19**

**Top 5 brand share**

**100%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 3 Pack](https://m.media-amazon.com/images/I/41lR7CEMoZL.jpg) [**Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 3 Pack**](https://www.amazon.com/dp/B07KP6X4YK)

Waterspecialist$27.054.7★16,76971%▼falling

2
![ICEPURE DA97-17376B Replacement for Samsung HAF-QIN/EXP RS27T5200SR WS645A RS22T5201SR RF28R7201SR RF32CG5400SR RF27CG5400SR RF29BB8600QL RF32CG5300SR RF29BB8600QL Refrigerator Water Filter 3PACK](https://m.media-amazon.com/images/I/51Zdahv5biL.jpg) [**ICEPURE DA97-17376B Replacement for Samsung HAF-QIN/EXP RS27T5200SR WS645A RS22T5201SR RF28R7201SR RF32CG5400SR RF27CG5400SR RF29BB8600QL RF32CG5300SR RF29BB8600QL Refrigerator Water Filter 3PACK**](https://www.amazon.com/dp/B07QS22G94)

ICEPURE$24.854.6★8,03412%▲rising

3
![Samsung HAF-QIN/EXP Genuine Refrigerator Water Filter Reduces 99% of Harmful Contaminants for Clean Clear Drinking Water 6-Month Life Easy Install Pack of 1](https://m.media-amazon.com/images/I/31f82IuWwvL.jpg) [**Samsung HAF-QIN/EXP Genuine Refrigerator Water Filter Reduces 99% of Harmful Contaminants for Clean Clear Drinking Water 6-Month Life Easy Install Pack of 1**](https://www.amazon.com/dp/B071NFVVNG)

Samsung$35.414.7★42,7027%▼falling

4
![DA97-17376B Water Filter Replacement for Samsung Refrigerator Rs27t5200sr Rs22t5201sr rf28r7201sr Rf27t5201sr Rf29a9671sr Haf-qin/exp rf27t5241sr rf28t5001sr rf27t5201sg rf28r7351sr 2 Pack](https://m.media-amazon.com/images/I/41xqX6ngtNL.jpg) [**DA97-17376B Water Filter Replacement for Samsung Refrigerator Rs27t5200sr Rs22t5201sr rf28r7201sr Rf27t5201sr Rf29a9671sr Haf-qin/exp rf27t5241sr rf28t5001sr rf27t5201sg rf28r7351sr 2 Pack**](https://www.amazon.com/dp/B0D4V3SS2L)

SETFEEL$20.704.7★3706%▲rising

5
![Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 4 Pack](https://m.media-amazon.com/images/I/413BQbyLMIL.jpg) [**Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 4 Pack**](https://www.amazon.com/dp/B0791F7PKR)

Waterspecialist$37.684.7★16,7694%—flat

## **Product shelf**

All 5 tracked products in this niche.

Top sellersNewestTrending

[![Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 3 Pack](https://m.media-amazon.com/images/I/41lR7CEMoZL.jpg)**Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 3 Pack** Waterspecialist**$27.05**4.7★16,769 reviews](https://www.amazon.com/dp/B07KP6X4YK) [![ICEPURE DA97-17376B Replacement for Samsung HAF-QIN/EXP RS27T5200SR WS645A RS22T5201SR RF28R7201SR RF32CG5400SR RF27CG5400SR RF29BB8600QL RF32CG5300SR RF29BB8600QL Refrigerator Water Filter 3PACK](https://m.media-amazon.com/images/I/51Zdahv5biL.jpg)**ICEPURE DA97-17376B Replacement for Samsung HAF-QIN/EXP RS27T5200SR WS645A RS22T5201SR RF28R7201SR RF32CG5400SR RF27CG5400SR RF29BB8600QL RF32CG5300SR RF29BB8600QL Refrigerator Water Filter 3PACK** ICEPURE**$24.85**4.6★8,034 reviews](https://www.amazon.com/dp/B07QS22G94) [![Samsung HAF-QIN/EXP Genuine Refrigerator Water Filter Reduces 99% of Harmful Contaminants for Clean Clear Drinking Water 6-Month Life Easy Install Pack of 1](https://m.media-amazon.com/images/I/31f82IuWwvL.jpg)**Samsung HAF-QIN/EXP Genuine Refrigerator Water Filter Reduces 99% of Harmful Contaminants for Clean Clear Drinking Water 6-Month Life Easy Install Pack of 1** Samsung**$35.41**4.7★42,702 reviews](https://www.amazon.com/dp/B071NFVVNG) [![DA97-17376B Water Filter Replacement for Samsung Refrigerator Rs27t5200sr Rs22t5201sr rf28r7201sr Rf27t5201sr Rf29a9671sr Haf-qin/exp rf27t5241sr rf28t5001sr rf27t5201sg rf28r7351sr 2 Pack](https://m.media-amazon.com/images/I/41xqX6ngtNL.jpg)**DA97-17376B Water Filter Replacement for Samsung Refrigerator Rs27t5200sr Rs22t5201sr rf28r7201sr Rf27t5201sr Rf29a9671sr Haf-qin/exp rf27t5241sr rf28t5001sr rf27t5201sg rf28r7351sr 2 Pack** SETFEEL**$20.70**4.7★370 reviews](https://www.amazon.com/dp/B0D4V3SS2L) [![Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 4 Pack](https://m.media-amazon.com/images/I/413BQbyLMIL.jpg)**Waterspecialist WS645A Refrigerator Water Filter Replacement for Samsung DA97-17376B HAF-QIN/EXP HAF-QIN RF28T5001SR DA97-08006C RS27T5200SR RF28R7351SG RF24R7201SR RF27T5201SR 4 Pack** Waterspecialist**$37.68**4.7★16,769 reviews](https://www.amazon.com/dp/B0791F7PKR)

## **Reviews**

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

### **What buyers love **

**Size-Overall**26%

*“Exact fit”*

**Filtration**21%

*“Filters work fine”*

**Value For Money**15%

*“Best value”*

**Quality-Overall**13%

*“Excellent product”*

**Advertised Vs Actual Product**7%

*“Exactly what I needed”*

**Compatibility-Overall**4%

*“compatibility without worrying about leaks or issues”*

**Ease Of Use**4%

*“easy to use”*

**Leak-Proof**1%

*“It doesnt leak”*

**Pressure**1%

*“Perfect fit and water pressure asswome”*

**Ease Of Cleaning**1%

*“Clean Water”*

### **What buyers complain about **

**Filtration**30%

*“Not a valid filter”*

**Leak-Proof**14%

*“Leaked”*

**Value For Money**9%

*“Wish they were cheaper”*

**Advertised Vs Actual Product**5%

*“Doesn't look like photo”*

**Size-Overall**4%

*“DOES NOT FIT”*

**Certifications**4%

*“NOT SAMSUNG CERTIFIED”*

**Functionality-Overall**4%

*“Did not work”*

**Durability**4%

*“It did not last over a month”*

**Compatibility-Overall**3%

*“DOES NOT FIT RF32CG5300SR”*

**Assembly/Installation**3%

*“A pain to install”*

#### **Top return reasons**- Size-Overall37% - Filtration21% - Compatibility-Overall13% - Leak-Proof6% - Advertised Vs Actual Product4% - Value For Money4% - Functionality-Overall3% - Certifications2% - Product Condition2% - Defective Material/Parts2%