3us-pf01
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible14.6%search→purchase rate — share of searches ending in a sale
Price range
Incredible$28.43–$67.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$46.51avg listing price — sweet spot $15–$100
Returns
Great1.1%return rate — above 5% kills the launch gate
Review moat
Okay1,746.63avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-15.6%90-day search growth — must beat 0% to launch
Competition
Bad86%top-5 click share — a locked-up shelf
Market size
Bad$39K$39K/yr · 6K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 3us-pf01 is a $39K/yr Amazon United States market (6K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
3us-pf01 market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $35K–$47K
- units × avg price
- Conversion rate
- 14.6%
- Avg BSR
- #245
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 116 months
- Avg seller age
- 135 days
Competition & brand share
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
23
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
86%
Top 20: 100%
Open market
0%
- Waterdrop30%
- AQUA CREST26%
- Filtrete23%
- Filterlogic17%
- Waterspecialist3%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — -15.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top 3us-pf01 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AQUA CREST 3US-PF01 Water Filter Replacement for Filtrete 3US-PS01 2 Pack
AQUA CREST$47.284.7★1,949 rev
Filtrete Advanced Under Sink Quick Change Water Filter Replacement 3US-PF01
Filtrete$58.944.7★4,996 rev
Waterdrop 3US-MAX-F01 3US-PF01 Under Sink Water Filter Replacement for Filtrete 3US-PF01 3US-PS01 Maximum 3US-MAX-S01 Aqua-Pure C-Cyst-FF Manitowoc K-00337 K-00338 NSF/ANSI 42 Certified 2 Pack
Waterdrop$49.344.6★1,760 rev
Filterlogic 3US-PF01 3US-MAX-F01 Under Sink Water Filter 2 Pack
Filterlogic$44.094.7★992 rev
Waterdrop 3US-MAX-F01 3US-PF01 Maximum Under Sink Water Filter
Waterdrop$30.344.6★957 rev
Newest
by launch dateFiltrete Advanced Under Sink Quick Change Water Filter Replacement 3US-PF01
Filtrete$58.944,996 rev
Waterdrop 3US-MAX-F01 3US-PF01 Under Sink Water Filter 3 Pack
Waterdrop$67.541,760 rev
Waterspecialist 3US-PF01 3US-MAX-F01 Under Sink Water Filter 2 Pack
Waterspecialist$46.09567 rev
Waterdrop 3US-MAX-F01 3US-PF01 Maximum Under Sink Water Filter
Waterdrop$30.34957 rev
Filterlogic 3US-PF01 3US-MAX-F01 Under Sink Water Filter 2 Pack
Filterlogic$44.09992 rev
Trending
90-day click momentumWaterdrop 3US-MAX-F01 3US-PF01 Under Sink Water Filter Replacement for Filtrete 3US-PF01 3US-PS01 Maximum 3US-MAX-S01 Aqua-Pure C-Cyst-FF Manitowoc K-00337 K-00338 NSF/ANSI 42 Certified 2 Pack
Waterdrop$49.344.6★
Waterdrop 3US-MAX-F01 3US-PF01 Under Sink Water Filter 3 Pack
Waterdrop$67.544.6★
Filterlogic 3US-PF01 3US-MAX-F01 Under Sink Water Filter 2 Pack
Filterlogic$44.094.7★
Filterlogic 3US-PF01 Water Filter Replacement for Filtrete 3US-PS01
Filterlogic$28.434.7★
Waterdrop 3US-MAX-F01 3US-PF01 Maximum Under Sink Water Filter
Waterdrop$30.344.6★
What buyers say about 3us-pf01
What buyers praise and complain about, mined from review topics.What buyers love
“Good filter”
“Good value”
“Dependable unit”
“Fit good”
“Easy install”
“Does not leak”
“Works as advertised”
“Easy to use”
“It even removes the chlorine smell and taste”
“Effective”
What buyers complain about
“No a good filter”
“I had a leak issue”
“Doesn't last”
“These things are expensive”
“Wont fit-doesnt work”
“There is zero improvement in water quality”
Top return reasons
Common questions
- Is 3us-pf01 profitable to sell on Amazon United States?
- The niche generates $39K/yr across 8 tracked products. 90-day search growth is -15.6%. Flapen's verdict: Skip it (39/100).
- How competitive is the 3us-pf01 niche?
- 5 brands and 23 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 3us-pf01?
- Top complaints mined from reviews: Filtration, Leak-Proof, Durability. The return rate is 1.1%.
- When does demand for 3us-pf01 peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the 3us-pf01 niche?
- Listings span $28.43–$67.54; the average listing price is $46.51 (sweet spot $15–$100). The average incumbent carries 1,747 reviews — the moat a new listing must climb.