subzero water filter 4204490
Worth a lookShows searches that convert (17.8% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Conversion
Incredible17.8%search→purchase rate — share of searches ending in a sale
Market size
Great$2.0M$2.0M/yr · 176K searches
Returns
Great1.4%return rate — above 5% kills the launch gate
Avg price
Great$63.32avg listing price — sweet spot $15–$100
Price range
Good$12.78–$128.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good901avg incumbent reviews — the moat a new listing must climb
Growth
Okay+9.0%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
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.
Data updated Jul 6, 2026 · scored weekly · How we score niches
subzero water filter 4204490 market data
- Units sold / yr
- 30K–40K
- avg 3,000–4,000/product
- Revenue / yr
- $1.9M–$2.5M
- units × avg price
- Conversion rate
- 17.8%
- Avg BSR
- #126
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 61 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.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%
Demand & seasonality
Weekly Amazon search volume, last 108 weeks — +9.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top subzero water filter 4204490 search terms
- 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
Top subzero water filter 4204490 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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sub-Zero 4204490 Refrigerator Water Filter
SUB-ZERO$68.564.7★1,001 rev

Sub-Zero Air Purification Cartridge-7042798
SUB-ZERO$64.544.5★766 rev

Sub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.944.4★334 rev

GLACIER FRESH Water Filter Replacement for Sub-Zero 4204490 2 Pack
GLACIER FRESH$36.274.6★1,442 rev

Sub-Zero 4204490 Refrigerator Water Filter Replacement Cartridge 2 Pack
SUB-ZERO$128.014.6★153 rev
Newest
by launch date
Sub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.94334 rev

Sub-Zero 4204490 Refrigerator Water Filter Replacement Cartridge 2 Pack
SUB-ZERO$128.01153 rev

GLACIER FRESH 4204490 Filter and 7007067 Air Purification Cartridge (1+1)
GLACIER FRESH$70.40711 rev

Sub-Zero Air Purification Cartridge-7042798
SUB-ZERO$64.54766 rev

GLACIER FRESH Replacement for Sub-Zero Refrigerator (2 Pack)
GLACIER FRESH$56.12711 rev
Trending
90-day click momentum
Sub Zero Cooling Pain Relief Gel 16oz Bottle with Pump - Joint Relief and Nerve Pain Relief Cream for Muscle Deep Pain Relief and Arthritis Relief
Roscoe Medical$12.784.6★

GLACIER FRESH 4204490 Filter and 7007067 Air Purification Cartridge (1+1)
GLACIER FRESH$70.404.7★

GLACIER FRESH Water Filter Replacement for Sub-Zero 4204490 2 Pack
GLACIER FRESH$36.274.6★

Sub-Zero 4204490 Refrigerator Water Filter
SUB-ZERO$68.564.7★

Sub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.944.4★
What buyers say about subzero water filter 4204490
What buyers praise and complain about, mined from review topics.What buyers love
“Fits perfectly”
“Work as advertised”
“No complaints whatsoever”
“Easy install”
“is a lot less expensive”
“Best water filter”
“Works great as a replacement”
“The air filter is the authorized”
“Honestly, icy hot is better”
“so now I know thats why it always smells fresh”
What buyers complain about
“The air purifier was damaged”
“The air purifier would not reset”
“Received used filter”
“The insertion tip is just a little too big”
“Unethical seller”
“This cartridge rattles”
“Was very dusty”
“Quality issue with original delivery”
“This was an inaccurately listed item”
“cause a clog”
Top return reasons
Common questions
- Is subzero water filter 4204490 profitable to sell on Amazon United States?
- The niche generates $2.0M/yr across 10 tracked products. 90-day search growth is +9.0%. Flapen's verdict: Worth a look (54/100).
- How competitive is the subzero water filter 4204490 niche?
- 3 brands and 9 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in subzero water filter 4204490?
- Top complaints mined from reviews: Filtration, Functionality-Overall, Product Condition. The return rate is 1.4%.
- When does demand for subzero water filter 4204490 peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the subzero water filter 4204490 niche?
- Listings span $12.78–$128.01; the average listing price is $63.32 (sweet spot $15–$100). The average incumbent carries 901 reviews — the moat a new listing must climb.