subzero water filter 4204490
Worth a lookShows searches that convert (16.2% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Conversion
Incredible16.2%search→purchase rate — share of searches ending in a sale
Avg price
Great$56.70avg listing price — sweet spot $15–$100
Market size
Great$1.6M$1.6M/yr · 176K searches
Returns
Great1.4%return rate — above 6% kills the launch gate
Price range
Good$12.78–$128.08cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good862.08avg incumbent reviews — the moat a new listing must climb
Growth
Okay+7.4%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad79%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 $1.6M/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
Market data
- Units sold / yr
- 30K–40K
- avg 3,000–4,000/product
- Revenue / yr
- $1.7M–$2.3M
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 16.2%
- Avg BSR
- #232
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 56 months
- Avg seller age
- 171 days
Competition
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
11
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
0%
- SUB-ZERO64%
- GLACIER FRESH31%
- Roscoe Medical2%
- VitaLiving2%
- Lifefilter1%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +7.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 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$68.544.7★972 rev
Sub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.314.4★321 rev
Sub-Zero Air Purification Cartridge-7042798
SUB-ZERO$64.524.5★747 rev
GLACIER FRESH Water Filter Replacement for Sub-Zero 4204490 4290510 9030868 Refrigerator Water Filter 2 Pack
GLACIER FRESH$36.314.6★1,436 rev
Sub-Zero 4204490 Refrigerator Water Filter Replacement Cartridge 2 Pack
SUB-ZERO$128.084.6★150 rev
Newest
by launch date
Lifefilter Water Filter Replacement for Sub-Zero 4204490 4290510 9030868 Refrigerator Water Filter 3 Pack
Lifefilter$34.3232 rev
Sub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.31321 rev
Sub-Zero 4204490 Refrigerator Water Filter Replacement Cartridge 2 Pack
SUB-ZERO$128.08150 rev
GLACIER FRESH Replacement for 4204490 Water Filter and 7007067 Air Purification Cartridge Combo Pack Compatible with Sub-Zero 4204490 4290510 Water Filter 7042798/7007067 Air Filter(1+1)
GLACIER FRESH$69.89702 rev
Replacement for Sub Zero 4204490 Water Filter & 7007067 Air Purification Cartridge Combo Pack Compatible with SubZero 4290510 9030868 Sub-Zero 7042798 (1+1Pack)
VitaLiving$35.7917 rev
Trending
90-day click momentumReplacement for Sub Zero 4204490 Water Filter & 7007067 Air Purification Cartridge Combo Pack Compatible with SubZero 4290510 9030868 Sub-Zero 7042798 (1+1Pack)
VitaLiving$35.794.9★
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$12.784.4★
GLACIER FRESH Replacement for 4204490 Water Filter and 7007067 Air Purification Cartridge Combo Pack Compatible with Sub-Zero 4204490 4290510 Water Filter 7042798/7007067 Air Filter(1+1)
GLACIER FRESH$69.894.7★
Lifefilter Water Filter Replacement for Sub-Zero 4204490 4290510 9030868 Refrigerator Water Filter 3 Pack
Lifefilter$34.324.7★
GLACIER FRESH Replacement for Sub-Zero Refrigerator Air Purification Cartridge 7042798 7007076 7007067 Air Filter (1 Pack)
GLACIER FRESH$35.014.7★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fits perfectly”
“Great Value”
“No complaints whatsoever”
“Good filter”
“Work as advertised”
“Easy install”
“Works great as a replacement”
“Keeps Fridge Air Fresh”
“so now I know thats why it always smells fresh”
“Quick and easy”
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”
“You can also hear the broken pieces in the unit”
“Unethical seller”
“Dirty”
“This cartridge rattles”
“more expensive,”
“This was an inaccurately listed item”
Top return reasons
Common questions
- Is subzero water filter 4204490 profitable to sell on Amazon United States?
- The niche generates $1.6M/yr across 13 tracked products. 90-day search growth is +7.4%. Flapen's verdict: Worth a look (54/100).
- How competitive is the subzero water filter 4204490 niche?
- 5 brands and 11 sellers compete. The top 5 products take 79% 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–$128.08; the average listing price is $56.70 (sweet spot $15–$100). The average incumbent carries 862 reviews — the moat a new listing must climb.
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