---
title: "Elkay 51300c Replacement Filter — $2.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/elkay-51300c-replacement-filter"
last_updated: "2026-08-09T02:16:31.212Z"
locale: en
meta:
description: "Niche score 45/100 · $2.0M/yr market · 143K searches/yr · $861.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $2.0M/yr market · 143K searches/yr · $861.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Elkay 51300c Replacement Filter — $2.0M/yr Amazon US Niche (2026) - Flapen"
---
# **elkay 51300c replacement filter**
**Skip it**
Pricing outside the sweet spot ($861.38 avg) — this niche doesn't clear our bar today.
Market size 95Growth 26Conversion 20Competition 66Returns 56Price range 4Avg price 0Brand share 12Review moat 73Quality gap 45
**Market size**
**Great****$2.0M**
$2.0M/yr · 143K searches
**Review moat**
**Good****569.74**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****45%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+0.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.6%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$29.68–$2036.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Bad****$861.38**
avg listing price — sweet spot $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, elkay 51300c replacement filter is a $2.0M/yr Amazon United States market (143K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Mar. Verdict: Skip it — 45/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **elkay 51300c replacement filter market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$2.2M–$2.6M**
- units × avg price
- **Conversion rate**
- **1.6%**
- **Avg BSR**
- **#1,164**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **74%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **—flat
**Sellers**
**71**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**45%**
Top 20: 86%
**Open market**
**3%**
- Elkay71% - Avalon13% - Homewerks Worldwide4% - Central Brass4% - Alpine3% - Brio2% - Open — no brand owns it (3 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — +0.9% search growth over the last 90 days.
5K3KSpike '25Prime Day '25 seasonDecMarJunAugNovMarMay
Peak months: Mar · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/elkay-51300c-replacement-filter/trend)
## **Top elkay 51300c replacement filter search terms**
- **drinking fountain**33K/yr-0.7%1.2% conv. - **elkay water fountain**29K/yr-1.5%2.3% conv. - **elkay**15K/yr+4.6%2.4% conv. - **outdoor drinking fountain**9K/yr+50.2%0.5% conv. - **drinking water fountain**11K/yr+25.3%0.6% conv. - **elkay bottle filling station**9K/yr-5.9%3.9% conv. - **water fountain with bottle filler**6K/yr-20.2%2.7% conv. - **water drinking fountain**4K/yr+20.6%1.3% conv. - **drinking fountain with bottle filler**6K/yr-39.5%2.7% conv. - **elkay water dispenser**3K/yr+37.0%0.8% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/elkay-51300c-replacement-filter/search-terms)
## **Top elkay 51300c replacement 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%5%$99K10%$198K15%$297K20%$396K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Elkay LZS8WSLK ezH2O Bottle Filling Station & Single ADA Cooler Filtered Refrigerated Light Gray**Elkay**$1388.16**4.6★270 rev](https://www.amazon.com/dp/B0038YCQQQ) [2**Avalon Wall Mounted Water Fountain with Bottle Filling Station High Capacity Cooling Sensor Dispensing Self Cleaning Digital Bottle Counter Display Dual Filtration ADA Compliant**Avalon**$821.87**4.0★59 rev](https://www.amazon.com/dp/B0D88SMM4J) [3**Elkay LZS8L Single Filtered ADA Water Fountain Cooled Light Gray Granite 120V**Elkay**$704.51**4.4★36 rev](https://www.amazon.com/dp/B001X6H1P2) [4**Elkay LZWSSM EZH2O Surface Mount Filtered Bottle Filling Station Non-Refrig. Stainless Steel**Elkay**$1095.24**4.4★65 rev](https://www.amazon.com/dp/B0066HGOME) [5**Elkay LZS8WSSK ezH2O Bottle Filling Station & Single ADA Cooler Refrigerated Stainless Lead Reduction Quick Filter Change**Elkay**$1560.03**4.6★270 rev](https://www.amazon.com/dp/B004KGXOLW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Elkay Liv EZ LBWDM0WHBC Built-in Filtered Wall-Mount Water Dispenser Battery Powered NSF Certified Push Button Reduces Lead & PFAS Aspen White Non-Refrigerated Ideal for Home**Elkay**$1149.90**25 rev1y ago](https://www.amazon.com/dp/B0F7M26N96) [**Avalon Wall Mounted Water Fountain with Bottle Filling Station High Capacity Cooling Sensor Dispensing Self Cleaning Digital Bottle Counter Display Dual Filtration ADA Compliant**Avalon**$821.87**59 rev2y ago](https://www.amazon.com/dp/B0D88SMM4J) [**Avalon Wall Mounted Water Fountain with Bottle Filling Station High Capacity Cooling Sensor Dispensing Self Cleaning Digital Bottle Counter Display Dual Filtration ADA Compliant**Avalon**$772.36**4 rev2y ago](https://www.amazon.com/dp/B0FHMWBJSP) [**Alpine Water Drinking Fountain Wall Mounted - Commercial Hydration Station for Indoor & Outdoor in School Parks Courts & More (Stainless Steel)**Alpine**$347.21**25 rev4y ago](https://www.amazon.com/dp/B09XDY27ZT) [**Elkay LZ8WSSSMC ezH2O Refrigerated Surface Mount Bottle Filling Station Filtered 8GPH Stainless Steel**Elkay**$1254.06**57 rev5y ago](https://www.amazon.com/dp/B091D13NXN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Elkay LZS8WSSK ezH2O Bottle Filling Station & Single ADA Cooler Refrigerated Stainless Lead Reduction Quick Filter Change**Elkay**$1560.03**4.6★**▲ 123%**](https://www.amazon.com/dp/B004KGXOLW) [**Avalon Wall Mounted Water Fountain with Bottle Filling Station High Capacity Cooling Sensor Dispensing Self Cleaning Digital Bottle Counter Display Dual Filtration ADA Compliant**Avalon**$772.36**5.0★**▲ 100%**](https://www.amazon.com/dp/B0FHMWBJSP) [**Elkay LZSTL8WSLK Filtered Bi-Level Fountain & EZH2O Bottle Filler Lt. Gray 120V**Elkay**$2036.27**4.6★**▲ 73%**](https://www.amazon.com/dp/B004KGUIWA) [**Homewerks Worldwide 3310-150-CH-B-Z 1/2 FPT Water Bubbler**Homewerks Worldwide**$44.40**4.6★**▲ 71%**](https://www.amazon.com/dp/B00ZSVD1NO) [**Elkay LZWSRK ezH2O RetroFit Bottle Filling Station Kit for EZ Family Filtered Non-Refrigerated**Elkay**$794.15**4.1★**▲ 51%**](https://www.amazon.com/dp/B00443LT5Y)
**~~View all trending →~~**
## **What buyers say about elkay 51300c replacement filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**17%
*“Easy to Use”*
**Quality-Overall**16%
*“Excellent product”*
**Design-Overall**7%
*“This unit is very well-designed and I like the overall stainless steel look”*
**Efficiency**7%
*“Works amazing”*
**Advertised Vs Actual Product**6%
*“As described”*
**Value For Money**5%
*“Great deal”*
**Assembly/Installation**5%
*“Easy to install”*
**Durability**4%
*“the overall quality feels durable”*
**Ease Of Cleaning**4%
*“Very clean, and easy to use”*
**Heating**4%
*“The hot water feature is great as well”*
### **What buyers complain about **
**Durability**37%
*“Did Not Last”*
**Functionality-Overall**12%
*“Poor Functioning”*
**Quality-Overall**8%
*“Poor quality control”*
**Heating**7%
*“Stopped cooling”*
**Leak-Proof**6%
*“It's leaks”*
**Value For Money**5%
*“Very frustrating given the price”*
**Filtration**2%
*“I am not sure if this Water Cooler filters the water to my liking”*
**Assembly/Installation**2%
*“The door was not assembled”*
**Instructions/User Manual/Troubleshooting**2%
*“There's all these ridiculous trouble shooting steps”*
**Touch/Button Controls**1%
*“the buttons rarely work”*
### **Top return reasons **
**Defective Material/Parts**16%
**Size-Overall**15%
**Functionality-Overall**11%
**Filtration**9%
**Leak-Proof**8%
**Value For Money**5%
**Advertised Vs Actual Product**4%
**Compatibility-Overall**4%
**Assembly/Installation**4%
**Product Condition**3%
## **Common questions**
- **Is elkay 51300c replacement filter profitable to sell on Amazon United States?**
- The niche generates $2.0M/yr across 31 tracked products. 90-day search growth is +0.9%. Flapen's verdict: Skip it (45/100).
- **How competitive is the elkay 51300c replacement filter niche?**
- 9 brands and 71 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in elkay 51300c replacement filter?**
- Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 2.8%.
- **When does demand for elkay 51300c replacement filter peak?**
- Demand peaks in Mar; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the elkay 51300c replacement filter niche?**
- Listings span $29.68–$2036.27; the average listing price is $861.38 (sweet spot $15–$100). The average incumbent carries 570 reviews — the moat a new listing must climb.
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