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leveluk sd501 filter replacement

Skip it

Soft demand (-47.6% this quarter) — this niche doesn't clear our bar today.

Market size 9Growth 1Conversion 96Competition 22Returns 22Price range 61Avg price 81Brand share 29Review moat 90Quality gap 84

Conversion

Incredible12.9%

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

Review moat

Great198.78

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$82.41

avg listing price — sweet spot $15–$100

Price range

Good$38.28–$140.29

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Okay88%

top-5 brand share — brands hold most of the demand

Competition

Bad73%

top-5 click share — a locked-up shelf

Returns

Bad5.9%

return rate — above 5% kills the launch gate

Market size

Bad$37K

$37K/yr · 4K searches

Growth

Bad-47.6%

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

According to Flapen's Amazon United States niche tracking, leveluk sd501 filter replacement is a $37K/yr Amazon United States market (4K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 40/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

leveluk sd501 filter replacement market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
$21K–$41K
units × avg price
Conversion rate
12.9%
Avg BSR
#732
Page quality
0%
Prime
89%
Sponsored
78%
Out of stock
11.8%
Avg brand age
45 months
Avg seller age
167 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 flat

Sellers

16

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

12%

  • Qualirey29%
  • PERCOLA23%
  • Enagic14%
  • Zomixzo8%
  • Varycony7%
  • IonHiTech7%
  • Open — no brand owns it (2 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -47.6% search growth over the last 90 days.
225175Black Friday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 3.2×

Top leveluk sd501 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.

0%10%$4K20%$7K30%$11K40%$15K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about leveluk sd501 filter replacement

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

What buyers love

Filtration22%

“This is the real deal filter nice”

Size-Overall13%

“Perfect fit”

Efficiency10%

“Works well”

Assembly/Installation8%

“which already puts them ahead of a few others Ive tried in the past that made me question my life choices halfway through installation”

Value For Money7%

“Good price”

Quality-Overall7%

“Performance has been excellent”

Advertised Vs Actual Product5%

“As described”

Ease Of Use4%

“It clicked right into place without needing tools or instructions”

Leak-Proof4%

“It fits perfectly no leakage just as easy to install as the magic brand I would give it a five for everything including value for the money”

Durability3%

“They seem durable and well made”

What buyers complain about

Leak-Proof41%

“it is leaking”

Filtration27%

“This is not a good filter that I received”

Size-Overall9%

“doesn't fit”

Color4%

“Water coming out is black”

Quality-Overall3%

“Cheap, low quality filter”

Assembly/Installation3%

“Filter was difficult to install”

Compatibility-Overall3%

“Does not fit”

Value For Money1%

“Totally wasted my money”

Defective Material/Parts1%

“Parts vary in size”

Durability1%

“After only one week of use, I noticed that the bottom of my kettle became cloudy, and even my water pitcher became dull and cloudy as well”

Top return reasons

Size-Overall26%
Filtration21%
Compatibility-Overall20%
Leak-Proof15%
Connectivity-Overall4%
Defective Material/Parts3%
Functionality-Overall2%
Advertised Vs Actual Product2%
Value For Money1%
Quality-Overall1%

Common questions

Is leveluk sd501 filter replacement profitable to sell on Amazon United States?
The niche generates $37K/yr across 9 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -47.6%. Flapen's verdict: Skip it (40/100).
How competitive is the leveluk sd501 filter replacement niche?
8 brands and 16 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in leveluk sd501 filter replacement?
Top complaints mined from reviews: Leak-Proof, Filtration, Size-Overall. The return rate is 5.9% — above our launch gate.
When does demand for leveluk sd501 filter replacement peak?
Demand peaks in Aug–Sep; the busiest month runs 3.2× the quietest.
What does it cost to enter the leveluk sd501 filter replacement niche?
Listings span $38.28–$140.29; the average listing price is $82.41 (sweet spot $15–$100). The average incumbent carries 199 reviews — the moat a new listing must climb.