nakii water filter replacement
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible22.6%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$24.42avg listing price — sweet spot $15–$100
Price range
Incredible$21.06–$31.49cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.5%return rate — above 5% kills the launch gate
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay1,769.17avg incumbent reviews — the moat a new listing must climb
Growth
Bad-7.4%90-day search growth — must beat 0% to launch
Market size
Bad$57K$57K/yr · 10K searches
Competition
Bad96%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, nakii water filter replacement is a $57K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Aug. Verdict: Skip it — 41/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
nakii water filter replacement market data
- Units sold / yr
- 2K–3K
- avg 250–500/product
- Revenue / yr
- $49K–$61K
- units × avg price
- Conversion rate
- 22.6%
- Avg BSR
- #209
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 42 months
- Avg seller age
- 257 days
Competition & brand share
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
7
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
96%
Top 20: 100%
Open market
0%
- Nakii40%
- WTFRZERO28%
- WTFTPRFR15%
- FYAEWPA12%
- ITEHZTO4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.4% search growth over the last 90 days.Peak months: Jan, Aug · busiest ÷ quietest = 1.6×
Top nakii water filter replacement search terms
- nakii water filter replacement6K/yr
- nakii water filter3K/yr
- nokii water filter replacement2K/yr
Top nakii water filter replacement 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nakii Genuine Original NFP-100 Replacement Water Filters Official Nakii Pitcher Filter Refills 3 Pack WQA Certified NSF Grade 150-Gallon Long Life Filters Reduces Chlorine Mercury Rust & More
Nakii$31.494.6★3,184 rev
WTFRZERO Replacement Filters for All Nakii Pitcher Filtration System Fits Nakii NFP-100 Reduces Chlorine Last Up to 3 Months or 150 Gallons (Pack of 3)
WTFRZERO$22.664.3★18 rev
WTFTPRFR Replacement Filters for All Nakii Pitcher Filtration System Fits Nakii NFP-100 Reduces Chlorine Last Up to 3 Months or 150 Gallons (Pack of 3)
WTFTPRFR$21.064.4★14 rev
FYAEWPA Replacement Filter for Nakii NFP-100 Pitcher 3 Pack
FYAEWPA$21.944.4★78 rev
Nakii Water Filter Pitcher 1.8L - Long Lasting 150 Gallons Filtered Water Pitchers With Fast Filtration & Purification Technology - Removes Chlorine Metals For Clean Tasting Water - WQA Certified
Nakii$27.234.4★7,296 rev
Newest
by launch dateFYAEWPA Replacement Filter for Nakii NFP-100 Pitcher 3 Pack
FYAEWPA$21.9478 rev
WTFRZERO Replacement Filters for All Nakii Pitcher Filtration System Fits Nakii NFP-100 Reduces Chlorine Last Up to 3 Months or 150 Gallons (Pack of 3)
WTFRZERO$22.6618 rev
WTFTPRFR Replacement Filters for All Nakii Pitcher Filtration System Fits Nakii NFP-100 Reduces Chlorine Last Up to 3 Months or 150 Gallons (Pack of 3)
WTFTPRFR$21.0614 rev
3Pack NFP-100 Replacement Filter for All Nakii Pitcher Filtration System
ITEHZTO$22.1625 rev
Nakii Genuine Original NFP-100 Replacement Water Filters Official Nakii Pitcher Filter Refills 3 Pack WQA Certified NSF Grade 150-Gallon Long Life Filters Reduces Chlorine Mercury Rust & More
Nakii$31.493,184 rev
Trending
90-day click momentumWTFTPRFR Replacement Filters for All Nakii Pitcher Filtration System Fits Nakii NFP-100 Reduces Chlorine Last Up to 3 Months or 150 Gallons (Pack of 3)
WTFTPRFR$21.064.4★
WTFRZERO Replacement Filters for All Nakii Pitcher Filtration System Fits Nakii NFP-100 Reduces Chlorine Last Up to 3 Months or 150 Gallons (Pack of 3)
WTFRZERO$22.664.3★
Nakii Genuine Original NFP-100 Replacement Water Filters Official Nakii Pitcher Filter Refills 3 Pack WQA Certified NSF Grade 150-Gallon Long Life Filters Reduces Chlorine Mercury Rust & More
Nakii$31.494.6★
3Pack NFP-100 Replacement Filter for All Nakii Pitcher Filtration System
ITEHZTO$22.164.6★
Nakii Water Filter Pitcher 1.8L - Long Lasting 150 Gallons Filtered Water Pitchers With Fast Filtration & Purification Technology - Removes Chlorine Metals For Clean Tasting Water - WQA Certified
Nakii$27.234.4★
What buyers say about nakii water filter replacement
What buyers praise and complain about, mined from review topics.What buyers love
“Great Water Filter”
“It fits”
“great price”
“They do the job”
“Easy to use”
“without any leakage”
“Installation is easy”
“well designed”
“Nasty chlorine treatment smell is GONE from tap water”
“solid enough for regular use”
What buyers complain about
“Less and less impressed with this company and its filters”
“These leak all around the edges”
“Not user friendly”
“Waste of money”
“Instructions difficult to read”
“Poor quality compared to the same product a few years ago”
“it comes out of the tap smelling like oil or river or chlorine”
Top return reasons
Common questions
- Is nakii water filter replacement profitable to sell on Amazon United States?
- The niche generates $57K/yr across 6 tracked products. 90-day search growth is -7.4%. Flapen's verdict: Skip it (41/100).
- How competitive is the nakii water filter replacement niche?
- 5 brands and 7 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in nakii water filter replacement?
- Top complaints mined from reviews: Filtration, Leak-Proof, Ease Of Use. The return rate is 1.5%.
- When does demand for nakii water filter replacement peak?
- Demand peaks in Jan–Aug; the busiest month runs 1.6× the quietest.
- What does it cost to enter the nakii water filter replacement niche?
- Listings span $21.06–$31.49; the average listing price is $24.42 (sweet spot $15–$100). The average incumbent carries 1,769 reviews — the moat a new listing must climb.