Skip to content

ws645a water filter samsung

Skip it28/100

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★

28/100

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.

No pronounced peak months · busiest ÷ quietest = 1.6×

Competition

75%Waterspecialist
  • 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%

Product shelf

All 5 tracked products in this niche.

Reviews

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

What buyers love

Size-Overall26%

“Exact fit”

Filtration21%

“Filters work fine”

Value For Money15%

“Best value”

Quality-Overall13%

“Excellent product”

Advertised Vs Actual Product7%

“Exactly what I needed”

Compatibility-Overall4%

“compatibility without worrying about leaks or issues”

Ease Of Use4%

“easy to use”

Leak-Proof1%

“It doesnt leak”

Pressure1%

“Perfect fit and water pressure asswome”

Ease Of Cleaning1%

“Clean Water”

What buyers complain about

Filtration30%

“Not a valid filter”

Leak-Proof14%

“Leaked”

Value For Money9%

“Wish they were cheaper”

Advertised Vs Actual Product5%

“Doesn't look like photo”

Size-Overall4%

“DOES NOT FIT”

Certifications4%

“NOT SAMSUNG CERTIFIED”

Functionality-Overall4%

“Did not work”

Durability4%

“It did not last over a month”

Compatibility-Overall3%

“DOES NOT FIT RF32CG5300SR”

Assembly/Installation3%

“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%

Data scraped July 6, 2026 · Marketplace baseline: 4.4★ avg rating · $22.66 median price · 2.2% median returns across 14,418 tracked niches.