berkey fluoride filters
Skip itA concentrated shelf (top 5 take 96% of clicks) — this niche doesn't clear our bar today.
Conversion
Great10.3%search→purchase rate — share of searches ending in a sale
Avg price
Great$71.42avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Review moat
Good761.56avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$29.43–$203.67cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$92K$92K/yr · 12K searches
Growth
Bad-11.2%90-day search growth — must beat 0% to launch
Brand share
Bad98%top-5 brand share — brand-locked demand
Competition
Bad96%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, berkey fluoride filters is a $92K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Feb. Verdict: Skip it — 37/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
berkey fluoride filters market data
- Units sold / yr
- 1K–2K
- avg 100–250/product
- Revenue / yr
- $89K–$107K
- units × avg price
- Conversion rate
- 10.3%
- Avg BSR
- #172
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 49 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 rising
Sellers
23
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
96%
Top 20: 100%
Open market
0%
- Berkey39%
- Virego33%
- Larayci21%
- Renami4%
- SUPER.BDACC2%
- MACIFECI2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -11.2% search growth over the last 90 days.Peak months: Feb · busiest ÷ quietest = 1.9×
Top berkey fluoride 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.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Berkey Authentic Berkey PF-2 Fluoride and Arsenic Reduction Elements (Set of 2 Elements)
Berkey$102.194.6★2,519 rev
Virego Fluoride and Arsenic Filter NSF/ANSI 42 Certified Replacement for PF-2 Fluoride Filters K5366 Replacement for Berkey Fluoride Filters Compatible with Berkey Gravity Filtration System-Pack of 2
Virego$29.434.4★1,142 rev
Larayci Fluoride Water Filter Replacement for Berkey PF-2 Filters
Larayci$32.374.4★205 rev
SUPER.BDACC Water Filter Replacement for Berkey and K5366 Fluoride Filters
SUPER.BDACC$54.824.6★216 rev
Renami White Filter Replacement for Berkey PF-2 Fluoride Filters
Renami$55.694.4★651 rev
Newest
by launch date
Water Filter Replacement for Berkey 2 Black Carbon Filters and 2 Fluoride Filters Compatible with Berkey Gravity Water Filter System
MACIFECI$53.97139 rev
SUPER.BDACC Water Filter Replacement for Berkey and K5366 Fluoride Filters
SUPER.BDACC$54.82216 rev
Larayci Fluoride Water Filter Replacement for Berkey PF-2 Filters
Larayci$32.37205 rev
Renami White Filter Replacement for Berkey PF-2 Fluoride Filters
Renami$55.69651 rev
Renami Water Filter Replacement for Berkey Black & Fluoride Filters
Renami$52.65651 rev
Trending
90-day click momentum
Virego Gravity Water Filters for Berkey Water Filter Replacement Replacement for BB9-2 Black Filter & for PF-2 Fluoride Filters Combo Packs Compatible with Berkey Gravity Water Filter System NSF 42
Virego$58.044.4★
Larayci Fluoride Water Filter Replacement for Berkey PF-2 Filters
Larayci$32.374.4★
Virego Fluoride and Arsenic Filter NSF/ANSI 42 Certified Replacement for PF-2 Fluoride Filters K5366 Replacement for Berkey Fluoride Filters Compatible with Berkey Gravity Filtration System-Pack of 2
Virego$29.434.4★
Water Filter Replacement for Berkey 2 Black Carbon Filters and 2 Fluoride Filters Compatible with Berkey Gravity Water Filter System
MACIFECI$53.974.6★
Renami Water Filter Replacement for Berkey Black & Fluoride Filters
Renami$52.654.4★
What buyers say about berkey fluoride filters
What buyers praise and complain about, mined from review topics.What buyers love
“Great to filter water”
“reasonably priced”
“Work as advertised”
“Great product”
“They fit well”
“Works great”
“Clean water”
“do not leak”
“Easy to fit”
“Installation easy, well described”
What buyers complain about
“Water flows straight through, no filtration”
“The water got much worse”
“These ones starting smelling/tasting like mold before we even got to six months”
“displaying unauthorized NSF certificates on their Amazon”
“clogged up after 5 gallons”
“Plastic connection pieces break very easily”
“Doesnt fit with all brands of filters”
“Absolute junk”
“they are a scam”
“Doesnt work”
Top return reasons
Common questions
- Is berkey fluoride filters profitable to sell on Amazon United States?
- The niche generates $92K/yr across 9 tracked products. 90-day search growth is -11.2%. Flapen's verdict: Skip it (37/100).
- How competitive is the berkey fluoride filters niche?
- 6 brands and 23 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in berkey fluoride filters?
- Top complaints mined from reviews: Filtration, Water Resistance, Smell. The return rate is 2.1%.
- When does demand for berkey fluoride filters peak?
- Demand peaks in Feb; the busiest month runs 1.9× the quietest.
- What does it cost to enter the berkey fluoride filters niche?
- Listings span $29.43–$203.67; the average listing price is $71.42 (sweet spot $15–$100). The average incumbent carries 762 reviews — the moat a new listing must climb.