pure blue h20
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$95.54avg listing price — sweet spot $15–$100
Review moat
Good739.8avg incumbent reviews — the moat a new listing must climb
Returns
Good2.6%return rate — above 5% kills the launch gate
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Market size
Good$286K$286K/yr · 66K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$39.47–$255.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Growth
Bad-12.3%90-day search growth — must beat 0% to launch
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, pure blue h20 is a $286K/yr Amazon United States market (66K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 39/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
pure blue h20 market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $191K–$239K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #869
- Page quality
- 0%
- Prime
- 53%
- Sponsored
- 73%
- Out of stock
- 10.4%
- Avg brand age
- 79 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
7 rising
Sellers
39
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
1%
- American Filter Company26%
- Paragon Water Systems24%
- Pelicori23%
- Pure Blue16%
- Seanutp6%
- EXPRESS WATER3%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.3% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 2.0×
Top pure blue h20 search terms
- pure blue h20 replacement filters33K/yr
- pureblueh2o replacement filters10K/yr
- pure blue h2o10K/yr
- pure blue h2o replacement filters8K/yr
- pure blue h202K/yr
- pure blue h2o filters3K/yr
Top pure blue h20 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
PureBlue TLR04RC-5PK Twist Lock Replacement Filter Pack for 4-Stage Reverse Osmosis
Paragon Water Systems$90.084.5★368 rev

Pelicori H2O Stage 3 Membrane Replacement Filter 1-Pack
Pelicori$71.424.5★86 rev

American Filter Company #AFC-PB3-1YR-2PR-1GR-3PK Compatible with PureBlue H2O PB?TLRO3H80T System (No RO Membrane) Kit Packs - 1 Year Pack (Without Membrane)
American Filter Company$74.554.0★7 rev

American Filter Company #AFC-PB4-1YRPK-2G-2Y-1PN-5PK Compatible with PureBlue H2O PB-TLRO4H50T System(No RO Membrane) Kit Packs - 1 Year Pack (Without Membrane)
American Filter Company$104.855.0★5 rev

Pure Blue H2O 5 Pack Annual Replacement Filters for Four Stage Reverse Osmosis Water Filtration System
Pure Blue$88.494.7★2,068 rev
Newest
by launch date
PureBlueH2O Replacement Filters Compatible with Pure Blue H2O Stage 3 Membrane (2 PACK)
Seanutp$97.662 rev

PureBlueH2O Replacement Filters Compatible with Pure Blue H2O Stage 3 Membrane
Seanutp$64.422 rev

Pelicori H2O Stage 4 Post Carbon Block CTO Replacement Filter 1-Pack
Pelicori$39.4725 rev

Pelicori H2O Stage 1 Sediment Replacement Filter No RO Membrane 2 Pack
Pelicori$48.9625 rev

AFC #AFC-PB4-1YRPK-2G-2Y-1PN-5PK Compatible with PureBlue H2O PB-TLRO4H50T System(No RO Membrane) Kit Packs -Made in U.S.A. - 1 Year Pack (Without Membrane)
American Filter Company$104.422 rev
Trending
90-day click momentum
PureBlueH2O Replacement Filters Compatible with Pure Blue H2O Stage 3 Membrane (2 PACK)
Seanutp$97.665.0★

PureBlueH2O Replacement Filters Compatible with Pure Blue H2O Stage 3 Membrane
Seanutp$64.424.5★

American Filter Company #AFC-PB3-1YR-2PR-1GR-3PK Compatible with PureBlue H2O PB?TLRO3H80T System (No RO Membrane) Kit Packs - 1 Year Pack (Without Membrane)
American Filter Company$74.554.0★

Pelicori H2O Stage 4 Post Carbon Block CTO Replacement Filter 1-Pack
Pelicori$39.474.6★

PureBlue TLR04RC-5PK Twist Lock Replacement Filter Pack for 4-Stage Reverse Osmosis
Paragon Water Systems$90.084.5★
What buyers say about pure blue h20
What buyers praise and complain about, mined from review topics.What buyers love
“They are easy to insert”
“The filter has a clean”
“It fits”
“well made appearance”
“Great value”
“Does the job”
“Extremely effective and affordable RO solution, installing it was a weekend project”
“compatible with the H2O Stage 3 Membrane”
“Filters the water well”
“The quality feels durable”
What buyers complain about
“Leakes”
“not as good filter as the original H2O”
“can say that the installation instructions could be better”
“Cracked after 8 months”
“Wish it worked a bit better”
“Im not happy with some of the components such as the drain saddle”
“I'm still messing with it because it's so complicated”
“There are about five times more particles in the water now compared to when I used the original”
“After 3 month of use I got rattling noise from the below the sink, the membrane was vibrating wildly and making noise”
“Not sure if the quality as good as the original brand”
Top return reasons
Common questions
- Is pure blue h20 profitable to sell on Amazon United States?
- The niche generates $286K/yr across 15 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -12.3%. Flapen's verdict: Skip it (39/100).
- How competitive is the pure blue h20 niche?
- 7 brands and 39 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in pure blue h20?
- Top complaints mined from reviews: Leak-Proof, Filtration, Assembly/Installation. The return rate is 2.6%.
- When does demand for pure blue h20 peak?
- Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.
- What does it cost to enter the pure blue h20 niche?
- Listings span $39.47–$255.99; the average listing price is $95.54 (sweet spot $15–$100). The average incumbent carries 740 reviews — the moat a new listing must climb.