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berkey filters

Skip it

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

Market size 98Growth 19Conversion 33Competition 23Returns 56Price range 16Avg price 42Brand share 7Review moat 53Quality gap 48

Market size

Incredible$5.4M

$5.4M/yr · 888K searches

Returns

Good2.8%

return rate — above 5% kills the launch gate

Review moat

Good1,376

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay$229.30

avg listing price — sweet spot $15–$100

Conversion

Okay2.6%

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

Competition

Bad72%

top-5 click share — a locked-up shelf

Growth

Bad-12.5%

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

Price range

Bad$29.78–$470.91

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

Brand share

Bad97%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, berkey filters is a $5.4M/yr Amazon United States market (888K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Oct. Verdict: Skip it — 41/100.

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

berkey filters market data

Units sold / yr
20K–25K
avg 1,250–1,500/product
Revenue / yr
$4.6M–$5.7M
units × avg price
Conversion rate
2.6%
Avg BSR
#97
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
51 months
Avg seller age
159 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

28

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

0%

  • Berkey65%
  • Purewell20%
  • Virego5%
  • Filterlogic4%
  • Larayci4%
  • MACIFECI3%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.5% search growth over the last 90 days.
45K35KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 1.6×

Top berkey filters search terms

  • berkey water filter380K/yr
  • berkey water filter system220K/yr
  • berkey82K/yr
  • berkey filters36K/yr
  • big berkey water filter system26K/yr
  • berkey filter21K/yr
  • berkey water filters15K/yr
  • berkey water filtration11K/yr
  • big berkey water filter13K/yr
  • water filter berkey11K/yr
All search terms

Top berkey filters 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.

0%10%$535K20%$1.1M30%$1.6M40%$2.1M101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about berkey filters

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

What buyers love

Filtration29%

“Filter Great”

Value For Money16%

“reasonably priced”

Quality-Overall10%

“Very nice and comes with all the necessary tools”

Advertised Vs Actual Product6%

“As advertised”

Efficiency6%

“Doing a good job”

Size-Overall6%

“Fits perfectly”

Assembly/Installation4%

“Easy to assemble”

Water Resistance2%

“The water good”

Ease Of Use2%

“Very convenient on my counter”

Ease Of Cleaning2%

“Easy to clean and use”

What buyers complain about

Filtration33%

“definitely not as fine a filter as some”

Leak-Proof11%

“Water just leaks out”

Value For Money6%

“Very expensive,”

Water Resistance5%

“The water just pours through”

Quality-Overall4%

“Decective”

Smell4%

“smells different after purifying”

Assembly/Installation3%

“Setup is harder than it needs to be”

Functionality-Overall3%

“Doesnt work”

Connectivity-Overall1%

“Plastic connection pieces break very easily”

Instructions/User Manual/Troubleshooting1%

“Instructions that are not legible states it takes 60 seconds”

Top return reasons

Filtration33%
Size-Overall23%
Leak-Proof7%
Defective Material/Parts5%
Advertised Vs Actual Product5%
Functionality-Overall4%
Product Condition4%
Compatibility-Overall3%
Value For Money3%
Water Resistance2%

Common questions

Is berkey filters profitable to sell on Amazon United States?
The niche generates $5.4M/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.5%. Flapen's verdict: Skip it (41/100).
How competitive is the berkey filters niche?
6 brands and 28 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in berkey filters?
Top complaints mined from reviews: Filtration, Leak-Proof, Value For Money. The return rate is 2.8%.
When does demand for berkey filters peak?
Demand peaks in Oct; the busiest month runs 1.6× the quietest.
What does it cost to enter the berkey filters niche?
Listings span $29.78–$470.91; the average listing price is $229.30 (sweet spot $15–$100). The average incumbent carries 1,376 reviews — the moat a new listing must climb.