haf-cin refrigerator water filter
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible18.2%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$34.43avg listing price — sweet spot $15–$100
Price range
Incredible$25.33–$56.95cheapest 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$452K$452K/yr · 72K searches
Growth
Okay+13.6%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad18,263.44avg incumbent reviews — the moat a new listing must climb
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, haf-cin refrigerator water filter is a $452K/yr Amazon United States market (72K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 46/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
haf-cin refrigerator water filter market data
- Units sold / yr
- 10K–13K
- avg 1,000–1,250/product
- Revenue / yr
- $344K–$430K
- units × avg price
- Conversion rate
- 18.2%
- Avg BSR
- #72
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 81 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 flat
Sellers
29
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
0%
- Samsung47%
- ICEPURE28%
- Waterdrop10%
- Waterspecialist6%
- Microfilter5%
- GLACIER FRESH4%
Demand & seasonality
Weekly Amazon search volume, last 71 weeks — +13.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.8×
Top haf-cin refrigerator water filter search terms
- haf-cin/exp samsung water filter14K/yr
- samsung water filter haf-cin/exp10K/yr
- haf-cin samsung water filter5K/yr
- haf-cin/exp5K/yr
- haf-cin4K/yr
- samsung haf-cin refrigerator water filter5K/yr
- samsung haf-cin/exp3K/yr
- samsung haf cin water filter4K/yr
- haf cin samsung water filter3K/yr
- haf cin refrigerator water filter4K/yr
Top haf-cin refrigerator water filter 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ICEPURE Water Filter Replacement for Samsung DA29-00020B HAF-CIN/EXP 3 Pack
ICEPURE$25.414.7★22,977 rev
SAMSUNG Genuine Filter for Refrigerator Water and Ice Carbon Block Filtration for Clean Clear Drinking Water 6-Month Life HAF-CIN/EXP 1 Pack
Samsung$34.974.7★36,526 rev
Samsung HAF-CIN-2P/EXP Genuine Refrigerator Water Filter Reduces 99% of Harmful Contaminants for Clean Clear Drinking Water 6-Month Life Easy Install Pack of 2
Samsung$56.954.6★11,314 rev
Waterspecialist Refrigerator Water Filter Replacement for Samsung 3 Pack
Waterspecialist$26.094.7★31,441 rev
Waterdrop Water Filter Replacement for Samsung HAF-CIN/EXP 3 Pack
Waterdrop$26.404.7★29,830 rev
Newest
by launch date
Microfilter HAF-CIN/EXP Refrigerator Water Filter Compatible with DA29-00020B Carbon Block Filtration 99% Contaminant Reduction 6-Month Life 2 Pack
Microfilter$54.71324 rev
Samsung DA29-00020B DA29-00020A HAF-CIN EXP Premium Genuine Refrigerator Water Filter (1 Pack)
Samsung$34.131,222 rev
Waterdrop WD-F27 Replacement for Samsung HAF-CIN/EXP Water Filter 3 Pack
Waterdrop$25.8615,504 rev
Waterspecialist Refrigerator Water Filter Replacement for Samsung 3 Pack
Waterspecialist$26.0931,441 rev
Waterdrop Water Filter Replacement for Samsung HAF-CIN/EXP 3 Pack
Waterdrop$26.4029,830 rev
Trending
90-day click momentumMicrofilter HAF-CIN/EXP Refrigerator Water Filter Compatible with DA29-00020B Carbon Block Filtration 99% Contaminant Reduction 6-Month Life 2 Pack
Microfilter$54.714.8★
ICEPURE Water Filter Replacement for Samsung DA29-00020B HAF-CIN/EXP 3 Pack
ICEPURE$25.414.7★
Waterdrop Water Filter Replacement for Samsung HAF-CIN/EXP 3 Pack
Waterdrop$26.404.7★
Samsung HAF-CIN-2P/EXP Genuine Refrigerator Water Filter Reduces 99% of Harmful Contaminants for Clean Clear Drinking Water 6-Month Life Easy Install Pack of 2
Samsung$56.954.6★
Waterspecialist Refrigerator Water Filter Replacement for Samsung 3 Pack
Waterspecialist$26.094.7★
What buyers say about haf-cin refrigerator water filter
What buyers praise and complain about, mined from review topics.What buyers love
“Great water filter”
“Fits and works as should”
“Great Value”
“No Complaints”
“As advertised”
“Totally compatible”
“No problem installing”
“Easy to change out”
“are not leaking”
“Works great”
What buyers complain about
“Bad filters”
“Filter leaks”
“One of the filters wouldnt fit”
“Dont work”
“Quality control is gone”
“Waste of money”
“Instructions are difficult to read”
“Garbage low flow”
“to me they seemed to not last as long”
“Does not fit models listed”
Top return reasons
Common questions
- Is haf-cin refrigerator water filter profitable to sell on Amazon United States?
- The niche generates $452K/yr across 9 tracked products. 90-day search growth is +13.6%. Flapen's verdict: Skip it (46/100).
- How competitive is the haf-cin refrigerator water filter niche?
- 6 brands and 29 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in haf-cin refrigerator water filter?
- Top complaints mined from reviews: Filtration, Leak-Proof, Size-Overall. The return rate is 2.5%.
- When does demand for haf-cin refrigerator water filter peak?
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- What does it cost to enter the haf-cin refrigerator water filter niche?
- Listings span $25.33–$56.95; the average listing price is $34.43 (sweet spot $15–$100). The average incumbent carries 18,263 reviews — the moat a new listing must climb.