Is countertop water filter profitable to sell on Amazon United States?

The niche generates $225K/yr across 38 tracked products. 13 of 13 products launched in the last 360 days are still selling. 90-day search growth is +12.1%. Flapen's verdict: Skip it (44/100).

How competitive is the countertop water filter niche?

21 brands and 75 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 69% of demand.

What do buyers complain about in countertop water filter?

Top complaints mined from reviews: Filtration, Leak-Proof, Durability. The return rate is 4.1%.

When does demand for countertop water filter peak?

Demand peaks in Dec; the busiest month runs 2.0× the quietest.

What does it cost to enter the countertop water filter niche?

Listings span $28.99–$422.62; the average listing price is $165.36 (sweet spot $15–$100). The average incumbent carries 2,431 reviews — the moat a new listing must climb.

countertop water filter

Skip it

Weak search conversion (0.6%) — this niche doesn't clear our bar today.

Competition

Good46%

top-5 click share — leaders hold, buyers still browse

Brand share

Good69%

top-5 brand share — brands hold most of the demand

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Avg price

Good$165.36

avg listing price — sweet spot $15–$100

Market size

Okay$225K

$225K/yr · 239K searches

Review moat

Okay2,431.32

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+12.1%

90-day search growth — must beat 0% to launch

Returns

Okay4.1%

return rate — above 5% kills the launch gate

Price range

Bad$28.99–$422.62

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Bad0.6%

search→purchase rate — share of searches ending in a sale

Signals High Price

According to Flapen's Amazon United States niche tracking, countertop water filter is a $225K/yr Amazon United States market (239K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Dec. Verdict: Skip it — 44/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

countertop water filter market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $248K–$331K; units × avg price
Conversion rate: 0.6%
Avg BSR: #60
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 8.4%
Avg brand age: 53 months
Avg seller age: 160 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 falling

Sellers

Top-5 brand share

69%

Top 20: 99%

Top-5 click share

46%

Top 20: 84%

Open market

25%

Waterdrop21%
DREO16%
Purewell13%
Bluevua12%
Aigerri8%
SimPure6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +12.1% search growth over the last 90 days.

Peak months: Dec · busiest ÷ quietest = 2.0×

Open Trend

Top countertop water filter search terms

countertop water filter system76K/yr +25.7%0.4% conv.
water filtration system countertop20K/yr +49.6%0.3% conv.
countertop water purifier24K/yr -4.7%0.6% conv.
water filter machine25K/yr +11.5%0.3% conv.
countertop water filtration system15K/yr +25.4%0.5% conv.
electric water filter19K/yr -33.4%0.4% conv.
counter top water purifiers13K/yr +2.5%0.4% conv.
countertop water filters16K/yr +13.8%0.7% conv.
water filter system counter top8K/yr +34.4%0.5% conv.
countertop water filtration8K/yr -1.6%0.4% conv.

All search terms

Top countertop 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

DREO Reverse Osmosis Water Filter Countertop RO Filtration System 3:1 Pure to Drain TDS & Filter Life & Autofill Pitcher Installation-Free Self-Cleaning Water Purifier RO Water Filter

DREO$155.594.4★495 rev

Purewell 3-Stage 0.01m Ultra-Filtration Gravity Water Filter System NSF/ANSI 42&372 Certification 304 Stainless Steel Countertop System with 2 Filters and Stand Reduce 99% Chlorine 2.25G PW-OB

Purewell$108.944.4★1,967 rev

Aigerri UV Countertop Reverse Osmosis Water Filter NSF/ANSI 372 Certified 5-Stage RO Filtration System 5: 1 Pure to Drain No Installation Portable Countertop Filtration

Aigerri$251.844.6★240 rev

Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System Portable RO Filtration with Remineralization No Installation WQA Certified - ROPOT 5-Stage RO

Bluevua$327.724.6★3,663 rev

Waterdrop CTF-01 Water Filter for Sink Faucet 5-Stage Stainless Steel

Waterdrop$61.514.5★4,318 rev

Newest

by launch date

Waterdrop C2SL Reverse Osmosis Water Filter Countertop Mineral RO System

Waterdrop$153.9852 rev

3mo ago

Aigerri UV Countertop Reverse Osmosis Water Filter NSF/ANSI 372 Certified 5-Stage RO Filtration System 5: 1 Pure to Drain No Installation Portable Countertop Filtration

Aigerri$251.84240 rev

3mo ago

GLACIER FRESH C03 Coolon Countertop Cold Water Purifier Zero Wastewater

GLACIER FRESH$190.05478 rev

6mo ago

DREO Reverse Osmosis Water Filter Countertop RO Filtration System 3:1 Pure to Drain TDS & Filter Life & Autofill Pitcher Installation-Free Self-Cleaning Water Purifier RO Water Filter

DREO$155.59495 rev

6mo ago

Waterdrop M6H Instant Hot Reverse Osmosis System Countertop Up to 203F

Waterdrop$330.4273 rev

8mo ago

What buyers say about countertop water filter

What buyers praise and complain about, mined from review topics.

What buyers love

Filtration17%

“Amazing Filter”

Ease Of Use11%

“Ease of use”

Quality-Overall11%

“Excellent build quality”

Value For Money7%

“Money well spent”

Assembly/Installation6%

“Easy to put together”

Size-Overall5%

“Great quality and size”

Advertised Vs Actual Product3%

“Works as advertised”

Ease Of Cleaning3%

“Easy to clean”

Efficiency3%

“Works well for what I needed”

Design-Overall3%

“stylish design”

What buyers complain about

Filtration16%

“No filters”

Leak-Proof16%

“IT LEAKS”

Durability12%

“Broke in one month”

Value For Money5%

“There are cheaper”

Quality-Overall4%

“Garbage quality”

Functionality-Overall3%

“Do not work well”

Size-Overall3%

“Small”

Noise Level2%

“Very Noisy”

Smell2%

“Fishy smell”

Heating2%

“It did over heat a bit once”

Top return reasons

Size-Overall20%

Leak-Proof18%

Filtration16%

Value For Money7%

Material Quality6%

Advertised Vs Actual Product5%

Functionality-Overall5%

Defective Material/Parts4%

Water Resistance2%

Product Condition2%

Common questions

Is countertop water filter profitable to sell on Amazon United States?: The niche generates $225K/yr across 38 tracked products. 13 of 13 products launched in the last 360 days are still selling. 90-day search growth is +12.1%. Flapen's verdict: Skip it (44/100).
How competitive is the countertop water filter niche?: 21 brands and 75 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in countertop water filter?: Top complaints mined from reviews: Filtration, Leak-Proof, Durability. The return rate is 4.1%.
When does demand for countertop water filter peak?: Demand peaks in Dec; the busiest month runs 2.0× the quietest.
What does it cost to enter the countertop water filter niche?: Listings span $28.99–$422.62; the average listing price is $165.36 (sweet spot $15–$100). The average incumbent carries 2,431 reviews — the moat a new listing must climb.