filtrete water filter under sink
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Avg price
Incredible$43.10avg listing price — sweet spot $15–$100
Price range
Great$11.56–$71.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great10.6%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,018.36avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad76%top-5 click share — a locked-up shelf
Growth
Bad-13.7%90-day search growth — must beat 0% to launch
Market size
Bad$64K$64K/yr · 14K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, filtrete water filter under sink is a $64K/yr Amazon United States market (14K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 40/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
filtrete water filter under sink market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $65K–$86K
- units × avg price
- Conversion rate
- 10.6%
- Avg BSR
- #216
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 91 months
- Avg seller age
- 127 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
36
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
0%
- Filtrete54%
- Waterdrop25%
- AQUA CREST13%
- Filterlogic5%
- Waterspecialist2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -13.7% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 3.7×
Top filtrete water filter under sink search terms
- 3us-max-f014K/yr
- filtrete water filter3K/yr
- filtrete water filter under sink4K/yr
- 3us-pf014K/yr
Top filtrete water filter under sink 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Filtrete Maximum Under Sink Quick Change Water Filtration Replacement Filter 3US-MAX-F01 for use with System 3US-MAX-S01
Filtrete$63.454.7★2,115 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
AQUA CREST 3US-PF01 Water Filter Replacement for Filtrete 3US-PS01 2 Pack
AQUA CREST$47.284.7★1,949 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 momentum
Filtrete Standard Capacity Whole House Grooved Water Filter 5 Microns Universal Filter Sump Style Drop-In Filter 2-Filters (4WH-STDGR-F02)
Filtrete$13.354.6★
Filtrete Whole House Water Filter Replacement 3WH-STDCW-F02 2-Pack
Filtrete$11.564.6★
Filtrete Maximum Under Sink Water Filtration System 3US-MAX-S01
Filtrete$71.974.5★
Filtrete Maximum Under Sink Quick Change Water Filtration Replacement Filter 3US-MAX-F01 for use with System 3US-MAX-S01
Filtrete$63.454.7★
Filtrete Standard Under Sink Water Filtration System 3US-AS01
Filtrete$41.664.5★
What buyers say about filtrete water filter under sink
What buyers praise and complain about, mined from review topics.What buyers love
“Good filter”
“Dependable unit”
“Good value”
“Fit good”
“Easy install”
“Works as advertised”
“Does not leak”
“Easy to use”
“provides good drinking water”
“It even removes the chlorine smell and taste”
What buyers complain about
“No a good filter”
“These things are expensive”
“I had a leak issue”
“Doesn't last”
“Wont fit-doesnt work”
“Essentially it does nothing”
“There is zero improvement in water quality”
Top return reasons
Common questions
- Is filtrete water filter under sink profitable to sell on Amazon United States?
- The niche generates $64K/yr across 14 tracked products. 90-day search growth is -13.7%. Flapen's verdict: Skip it (40/100).
- How competitive is the filtrete water filter under sink niche?
- 5 brands and 36 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in filtrete water filter under sink?
- Top complaints mined from reviews: Filtration, Value For Money, Leak-Proof. The return rate is 1.0%.
- When does demand for filtrete water filter under sink peak?
- Demand peaks in Jan–Feb; the busiest month runs 3.7× the quietest.
- What does it cost to enter the filtrete water filter under sink niche?
- Listings span $11.56–$71.97; the average listing price is $43.10 (sweet spot $15–$100). The average incumbent carries 2,018 reviews — the moat a new listing must climb.