subzero air purification cartridge
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible23.7%search→purchase rate — share of searches ending in a sale
Avg price
Great$66.70avg listing price — sweet spot $15–$100
Review moat
Good551.33avg incumbent reviews — the moat a new listing must climb
Price range
Good$35.05–$126.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.5%return rate — above 5% kills the launch gate
Market size
Good$436K$436K/yr · 28K searches
Growth
Okay+7.0%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad96%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 air purification cartridge is a $436K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
subzero air purification cartridge market data
- Units sold / yr
- 6K–8K
- avg 1,250–1,500/product
- Revenue / yr
- $400K–$534K
- units × avg price
- Conversion rate
- 23.7%
- Avg BSR
- #98
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 37 months
- Avg seller age
- 223 days
Competition & brand share
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 flat
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
96%
Top 20: 100%
Open market
0%
- SUB-ZERO70%
- GLACIER FRESH26%
- Crystala Filters4%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 109 weeks — +7.0% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.5×
Top subzero air purification cartridge 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sub-Zero Air Purification Cartridge-7042798
SUB-ZERO$64.544.5★766 rev
GLACIER FRESH Replacement for Sub-Zero Refrigerator (2 Pack)
GLACIER FRESH$56.124.7★711 rev
Sub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.944.4★334 rev
GLACIER FRESH 4204490 Filter and 7007067 Air Purification Cartridge (1+1)
GLACIER FRESH$70.404.7★711 rev
GLACIER FRESH Replacement for Sub-Zero Refrigerator (1 Pack)
GLACIER FRESH$35.054.7★711 rev
Newest
by launch dateSub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.94334 rev
Crystala Filters Replacement For Sub-Zero Refrigerator Air Purification Cartridge 7042798 7007076 7007067 Air Filter (Pack of 2)
Crystala Filters$47.1575 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 momentumGLACIER FRESH 4204490 Filter and 7007067 Air Purification Cartridge (1+1)
GLACIER FRESH$70.404.7★
Crystala Filters Replacement For Sub-Zero Refrigerator Air Purification Cartridge 7042798 7007076 7007067 Air Filter (Pack of 2)
Crystala Filters$47.154.6★
Sub-Zero Refrigerator Replacement Water and Air Filter Combo Pack 4204490 7007067
SUB-ZERO$126.944.4★
GLACIER FRESH Replacement for Sub-Zero Refrigerator (2 Pack)
GLACIER FRESH$56.124.7★
Sub-Zero Air Purification Cartridge-7042798
SUB-ZERO$64.544.5★
What buyers say about subzero air purification cartridge
What buyers praise and complain about, mined from review topics.What buyers love
“fit perfect”
“As advertised”
“reasonable price”
“Excellent product”
“The air filter is the authorized”
“Works fine”
“the branded filter works perfectly”
“so easy to install”
“so now I know thats why it always smells fresh”
“Easy to Use and Replace”
What buyers complain about
“The air purifier was damaged”
“Looked used”
“Quality issue with original delivery”
“This cartridge rattles”
“Unethical seller”
“This was an inaccurately listed item”
“The air purifier would not reset”
“Was very dusty”
Top return reasons
Common questions
- Is subzero air purification cartridge profitable to sell on Amazon United States?
- The niche generates $436K/yr across 6 tracked products. 90-day search growth is +7.0%. Flapen's verdict: Skip it (44/100).
- How competitive is the subzero air purification cartridge niche?
- 3 brands and 8 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in subzero air purification cartridge?
- Top complaints mined from reviews: Filtration, Product Condition, Quality-Overall. The return rate is 2.5%.
- When does demand for subzero air purification cartridge peak?
- Demand peaks in Jan; the busiest month runs 1.5× the quietest.
- What does it cost to enter the subzero air purification cartridge niche?
- Listings span $35.05–$126.94; the average listing price is $66.70 (sweet spot $15–$100). The average incumbent carries 551 reviews — the moat a new listing must climb.