---
title: "Enagic Leveluk K8 Water Filter — $79K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/enagic-leveluk-k8-water-filter"
last_updated: "2026-08-09T02:29:27.853Z"
locale: en
meta:
description: "Niche score 40/100 · $79K/yr market · 7K searches/yr · $295.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $79K/yr market · 7K searches/yr · $295.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Enagic Leveluk K8 Water Filter — $79K/yr Amazon US Niche (2026) - Flapen"
---
# **enagic leveluk k8 water filter**
**Skip it**
Prices mostly outside the sweet spot ($30.67–$2481.63) — this niche doesn't clear our bar today.
Market size 20Growth 54Conversion 48Competition 19Returns 28Price range 3Avg price 32Brand share 36Review moat 96Quality gap 85
**Review moat**
**Incredible****74.25**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+26.7%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****$295.17**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****4.7%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$79K**
$79K/yr · 7K searches
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$30.67–$2481.63**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, enagic leveluk k8 water filter is a $79K/yr Amazon United States market (7K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Aug. Verdict: Skip it — 40/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **enagic leveluk k8 water filter market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$74K–$148K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#438**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **75%**
- **Out of stock**
- **23.7%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **—flat
**Sellers**
**28**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**13%**
- Loiesitarge49% - Elovener11% - Kangen10% - COOLVIVA8% - FAIR KANPAI5% - Enagic4% - Open — no brand owns it (4 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 95 weeks — +26.7% search growth over the last 90 days.
400300Spike '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/enagic-leveluk-k8-water-filter/trend)
## **Top enagic leveluk k8 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.
0%15%$12K30%$24K45%$36K60%$48K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Loiesitarge High Grade Water Filter Replacement Removal of Chlorine for the Leveluk Kangen 8-1PcsReplacing HG-N and K-8 Filters**Loiesitarge**$30.67**3.9★171 rev](https://www.amazon.com/dp/B0DTDSDHLY) [2**Enagic Leveluk K8 Water Filter Machine**Kangen**$2481.63**3.7★40 rev](https://www.amazon.com/dp/B074XG5L3V) [3**Water Filter Replacement Kit by COOLVIVA. FC1 Replaces Enagic Leveluk F8 and HG-N Filters on K8 SD501 JRIV Machine. Features One FC1 Water Filter Two Cleaning Powders and a Reminder**COOLVIVA**$135.91**4.3★54 rev](https://www.amazon.com/dp/B0CP9V7PJM) [4**FC1 HG-N F8 Water Filter Replacement Cartridge Compatible with Enagic Leveluk K8 SD501 (2011+) JRIV 8-Plate Ionizer Machines Alkaline Water System Pack of 2**Elovener**$106.08**3.4★5 rev](https://www.amazon.com/dp/B0GJSLYWXN) [5**F8 filter K-8 water purifier machine with 2 packs of cleaning powder by FAIR KANPAI**FAIR KANPAI**$140.84**4.4★22 rev](https://www.amazon.com/dp/B0DKMP2576)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**F8 Premium Water Filter Replacement Cartridge compatible with Kangen K8 and HG-N Water Ionizer Systems 1 Pack**Generic**$87.07**2 rev2mo ago](https://www.amazon.com/dp/B0H1HKJFZ4) [**K8 Water Filter Replacement Cartridge Compatible with Enagic Kangen Leveluk F8 and HG-N water filters on K8 SD501 and JRIV machines Alkaline Water System**Elovener**$65.92**5 rev2mo ago](https://www.amazon.com/dp/B0H1CQFHKK) [**HG-N FC1 F8 Water Filter Replacement Compatible with Enagic Leveluk F8 and HG-N Filters for K8 and SD501 (2011+) JRIV Machine Machines 1 Pack**Zomixzo**$58.46**7 rev3mo ago](https://www.amazon.com/dp/B0GX1P9NRP) [**FC1 HG-N F8 Water Filter Replacement Cartridge Compatible with Enagic Leveluk K8 SD501 (2011+) JRIV 8-Plate Ionizer Machines Alkaline Water System Pack of 2**Elovener**$106.08**5 rev6mo ago](https://www.amazon.com/dp/B0GJSLYWXN) [**FC1 F8 HG-N Water Filter Replacement Compatible with Enagic Leveluk F8 and HG-N Filters for K8 and SD501 (2011+) JRIV Machine Machines 2 Pack**Varycony**$108.32**18 rev6mo ago](https://www.amazon.com/dp/B0GJSSGDQV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HG-N FC1 F8 Water Filter Replacement Compatible with Enagic Leveluk F8 and HG-N Filters for K8 and SD501 (2011+) JRIV Machine Machines 1 Pack**Zomixzo**$58.46**5.0★**▲ 196%**](https://www.amazon.com/dp/B0GX1P9NRP) [**F8 Premium Water Filter Replacement Cartridge compatible with Kangen K8 and HG-N Water Ionizer Systems 1 Pack**Generic**$87.07**3.5★**▲ 196%**](https://www.amazon.com/dp/B0H1HKJFZ4) [**K8 Water Filter Replacement Cartridge Compatible with Enagic Kangen Leveluk F8 and HG-N water filters on K8 SD501 and JRIV machines Alkaline Water System**Elovener**$65.92**5.0★**▲ 195%**](https://www.amazon.com/dp/B0H1CQFHKK) [**FC1 F8 HG-N Water Filter Replacement Compatible with Enagic Leveluk F8 and HG-N Filters for K8 and SD501 (2011+) JRIV Machine Machines 2 Pack**Varycony**$108.32**4.4★**▲ 182%**](https://www.amazon.com/dp/B0GJSSGDQV) [**FC1 HG-N F8 Water Filter Replacement Cartridge Compatible with Enagic Leveluk K8 SD501 (2011+) JRIV 8-Plate Ionizer Machines Alkaline Water System Pack of 2**Elovener**$106.08**3.4★**▲ 119%**](https://www.amazon.com/dp/B0GJSLYWXN)
**~~View all trending →~~**
## **What buyers say about enagic leveluk k8 water filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**24%
*“Perfect Fit Filters That Keep Water Clean and Fresh”*
**Assembly/Installation**15%
*“installation was quick”*
**Size-Overall**14%
*“Fits perfectly”*
**Value For Money**11%
*“worth it”*
**Quality-Overall**10%
*“Excellent filter, very good quality and price”*
**Efficiency**6%
*“Works well”*
**Leak-Proof**4%
*“I haven't noticed any leaks or problems”*
**Ease Of Cleaning**4%
*“It works, it cleans itself moore than the original brand”*
**Ease Of Use**2%
*“Its easy to use”*
**Durability**1%
*“They seem durable and well made”*
### **What buyers complain about **
**Filtration**25%
*“When I took out the filter I see its half filled with water that is shaking inside”*
**Compatibility-Overall**19%
*“No good- does NOT fit Enagic SD501 machine as written”*
**Value For Money**19%
*“Not a good value”*
**Assembly/Installation**13%
*“cannot setup normal”*
**Size-Overall**13%
*“Doesnt fit”*
**Weight Heavy**3%
*“Its bulky for sure”*
### **Top return reasons **
**Filtration**29%
**Compatibility-Overall**25%
**Size-Overall**19%
**Advertised Vs Actual Product**8%
**Leak-Proof**3%
**Water Resistance**2%
**Value For Money**2%
**Functionality-Overall**2%
**Connectivity-Overall**2%
**Defective Material/Parts**2%
## **Common questions**
- **Is enagic leveluk k8 water filter profitable to sell on Amazon United States?**
- The niche generates $79K/yr across 12 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is +26.7%. Flapen's verdict: Skip it (40/100).
- **How competitive is the enagic leveluk k8 water filter niche?**
- 10 brands and 28 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in enagic leveluk k8 water filter?**
- Top complaints mined from reviews: Filtration, Compatibility-Overall, Value For Money. The return rate is 4.7%.
- **When does demand for enagic leveluk k8 water filter peak?**
- Demand peaks in Aug; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the enagic leveluk k8 water filter niche?**
- Listings span $30.67–$2481.63; the average listing price is $295.17 (sweet spot $15–$100). The average incumbent carries 74 reviews — the moat a new listing must climb.
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