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Subzero Water Filter 4204490

Subzero Water Filter 4204490 shows searches that convert (17.8% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Flapen Score

54
Worth a look

Top 14% of 845 Appliances niches · +9 vs the category median of 45

Market size 95Growth 36Conversion 99Competition 14Returns 88Price range 74Avg price 88Brand share 0Review moat 65Quality gap 25
This niche Category average · 845 niches

Is Subzero Water Filter 4204490 profitable on Amazon?

According to Flapen's Amazon United States niche tracking, Subzero Water Filter 4204490 is a $2.0M/yr Amazon United States market (176K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 54/100.

Subzero Water Filter 4204490: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +9.0% over the last 90 days and 17.8% of searches end in a purchase.

$2.0M

revenue / yr

Units sold / yr40K
Search volume / yr+9.0%176K
Conversion rate17.8%
Avg price$63.32

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers3 · 9
Top-5 product click share83%
Open market0%
Avg brand age61 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 10 products

Sponsored placement100%
New entrants (1y)0· 0 succeeded
Avg rating4.6★
Avg reviews901

Top Subzero Water Filter 4204490 products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

$0$197K$395K$592K$790K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

3 rising

Sellers

9

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

0%

  • SUB-ZERO68%
  • GLACIER FRESH29%
  • Roscoe Medical2%

Subzero Water Filter 4204490 demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume176KCVR17.8%Products10Brands3Top 5 Brands100%OOS Rate0.0%Rating4.6★Reviews901Avg BSR#126
4K3KPrime Day '24Prime Day '25Spike '25Holiday '25DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top Subzero Water Filter 4204490 search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • subzero water filter replacement31K/yr
  • sub zero water filter replacement30K/yr
  • sub zero21K/yr
  • subzero19K/yr
  • sub zero air purification cartridge15K/yr
  • subzero air purification cartridge13K/yr
  • 42044909K/yr
  • subzero air filter replacement5K/yr
  • sub zero water filter4K/yr
  • sub zero air filter replacement3K/yr

What reviews say buyers love and hate about Subzero Water Filter 4204490

What buyers mention most, as a share of all reviews.

What buyers love

97% of reviews
Size-Overall19%

Fits perfectly

Advertised Vs Actual Product15%

Work as advertised

Quality-Overall15%

No complaints whatsoever

Assembly/Installation13%

Easy install

Value For Money12%

is a lot less expensive

What buyers complain about

95% of reviews
Filtration43%

The air purifier was damaged

Functionality-Overall17%

The air purifier would not reset

Product Condition10%

Received used filter

Size-Overall7%

The insertion tip is just a little too big

Ethical Trade/Fair Trade5%

Unethical seller

Subzero Water Filter 4204490 return rate & reasons

Why buyers send it back, as a share of all return requests.

1.4%

Return rate

21%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Filtration
23%
2Size-Overall
18%
3Product Condition
17%
4Defective Material/Parts
14%
5Compatibility-Overall
9%

Common Subzero Water Filter 4204490 questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Subzero Water Filter 4204490 54/100 on Amazon United States — Worth a look. The niche generates $2.0M/yr across 10 tracked products. Search demand moved +9.0% over the last 90 days.
Search demand for Subzero Water Filter 4204490 on Amazon United States is steady year-round — the busiest month runs 1.6× the quietest.