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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

Good569.74

avg incumbent reviews — the moat a new listing must climb

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Returns

Good2.8%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+0.9%

90-day search growth — must beat 0% to launch

Conversion

Bad1.6%

search→purchase rate — share of searches ending in a sale

Brand share

Bad95%

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

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

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 '25DecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 1.6×

Top elkay 51300c replacement filter search terms

  • drinking fountain33K/yr
  • elkay water fountain29K/yr
  • elkay15K/yr
  • outdoor drinking fountain9K/yr
  • drinking water fountain11K/yr
  • elkay bottle filling station9K/yr
  • water fountain with bottle filler6K/yr
  • water drinking fountain4K/yr
  • drinking fountain with bottle filler6K/yr
  • elkay water dispenser3K/yr
All 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 moat Market 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.

What buyers say about elkay 51300c replacement filter

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use17%

“Easy to Use”

Quality-Overall16%

“Excellent product”

Design-Overall7%

“This unit is very well-designed and I like the overall stainless steel look”

Efficiency7%

“Works amazing”

Advertised Vs Actual Product6%

“As described”

Value For Money5%

“Great deal”

Assembly/Installation5%

“Easy to install”

Durability4%

“the overall quality feels durable”

Ease Of Cleaning4%

“Very clean, and easy to use”

Heating4%

“The hot water feature is great as well”

What buyers complain about

Durability37%

“Did Not Last”

Functionality-Overall12%

“Poor Functioning”

Quality-Overall8%

“Poor quality control”

Heating7%

“Stopped cooling”

Leak-Proof6%

“It's leaks”

Value For Money5%

“Very frustrating given the price”

Filtration2%

“I am not sure if this Water Cooler filters the water to my liking”

Assembly/Installation2%

“The door was not assembled”

Instructions/User Manual/Troubleshooting2%

“There's all these ridiculous trouble shooting steps”

Touch/Button Controls1%

“the buttons rarely work”

Top return reasons

Defective Material/Parts16%
Size-Overall15%
Functionality-Overall11%
Filtration9%
Leak-Proof8%
Value For Money5%
Advertised Vs Actual Product4%
Compatibility-Overall4%
Assembly/Installation4%
Product Condition3%

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.