Is kfi 357 profitable to sell on Amazon Germany?

The niche generates €79K/yr across 9 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +9.6%. Flapen's verdict: Skip it (42/100).

How competitive is the kfi 357 niche?

8 brands and 106 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in kfi 357?

Top complaints mined from reviews: Gesamtgröße, Qualität insgesamt, Preis-Leistungs-Verhältnis. The return rate is 0.3%.

When does demand for kfi 357 peak?

Demand peaks in Apr–May; the busiest month runs 3.6× the quietest.

What does it cost to enter the kfi 357 niche?

Listings span €8.96–€19.77; the average listing price is €14.31 (sweet spot $15–$100). The average incumbent carries 1,341 reviews — the moat a new listing must climb.

kfi 357

Skip it

A concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible17.1%

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

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Good€14.31

avg listing price — sweet spot $15–$100

Review moat

Good1,340.56

avg incumbent reviews — the moat a new listing must climb

Price range

Okay€8.96–€19.77

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

Growth

Okay+9.6%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad€79K

€79K/yr · 32K searches

Brand share

Bad92%

top-5 brand share — brand-locked demand

Competition

Bad88%

top-5 click share — a locked-up shelf

According to Flapen's Amazon Germany niche tracking, kfi 357 is a €79K/yr Amazon Germany market (32K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Apr–May. Verdict: Skip it — 42/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

kfi 357 market data

Units sold / yr: 6K–8K; avg 1,000–1,250/product
Revenue / yr: €86K–€114K; units × avg price
Conversion rate: 17.1%
Avg BSR: #537
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 0.0%
Avg brand age: 28 months
Avg seller age: 194 days

Competition & brand share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

106

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

KÄRCHER46%
isinlive20%
Awinker17%
KEEPOW5%
Useluxe4%
KTNAid3%
Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 94 weeks — +9.6% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 3.6×

Open Trend

Top kfi 357 search terms

kfi 35710K/yr +5.4%12.3% conv.
kärcher kfi 3577K/yr +12.8%18.3% conv.
kärcher kfi 357 beutel3K/yr +28.5%18.1% conv.
kfi 357 beutel kärcher4K/yr -2.3%17.2% conv.
kärcher wd2 plus beutel3K/yr +6.6%12.7% conv.
kärcher wd 2 plus beutel3K/yr +10.7%9.5% conv.
vliesfilterbeutel kfi 3573K/yr +13.7%12.9% conv.

All search terms

Top kfi 357 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

Kärcher Original Vliesfilterbeutel KFI 357: 4 Stück 3-lagig extrem reißfest und robust passgenau für Kärcher Nass-/Trockensauger und Waschsauger Artikelnummer: 2.863-314.0

KÄRCHER€9.464.8★7,997 rev

12 Stück KFI 357 Staubsaugerbeutel für Kärcher WD2Plus/WD3/KWD1 /KWD2/KWD3/MV3/WD3.200-WD3.800M/SE4001/SE4002 Staubsauger Ersetzt 2.863-314.0 für Nass-/Trockensauger mit Kunststoffdeckscheibe

isinlive€14.174.6★718 rev

10 Stück KFI 357 Staubsaugerbeutel für Kärcher WD2 WD3 KWD1 KWD2 KWD3 WD3.200 - WD3.800 M/SE4001/SE4002 Staubsauger Ersetzt 2.863-314.0

Awinker€14.804.6★1,440 rev

KEEPOW 6 Pack Kfi 357 Staubsaugerbeutel für Kärcher nass trockensauger WD 2 Plus WD 3 WD 3 Akku für Kärcher Staubsauger WD3 S KWD1 KWD 2 KWD3 MV3 SE4001 SE4002 Ersetzt 2.863-314.0

KEEPOW€8.964.6★226 rev

12 Stück KFI 357 Staubsaugerbeutel für Kärcher WD2 / WD3 / KWD1KWD3 / SE4001 / SE4002 / WD3.200WD3.800 Vliesfilterbeutel kompatibel mit 2.863-314.0

Useluxe€13.024.8★11 rev

Newest

by launch date

12 Stück KFI 357 Staubsaugerbeutel für Kärcher WD2 / WD3 / KWD1KWD3 / SE4001 / SE4002 / WD3.200WD3.800 Vliesfilterbeutel kompatibel mit 2.863-314.0

Useluxe€13.0211 rev

3mo ago

YeeQo 16 Stück KFI 357 Staubsaugerbeutel für Kärcher WD2 WD2 Plus WD3 KWD1 KWD2 KWD3 MV3 WD3.200-WD3.800M SE4001 SE4002 Nass-/Trockensauger für Kärcher Staubsaugerbeutel für kärcher 2.863-314.0

YeeQo€16.2133 rev

6mo ago

12 Stück KFI 357 Staubsaugerbeutel für Kärcher WD2Plus/WD3/KWD1 /KWD2/KWD3/MV3/WD3.200-WD3.800M/SE4001/SE4002 Staubsauger Ersetzt 2.863-314.0 Extrem Reißfesten und Robust Beutel

Caehomly€13.9738 rev

7mo ago

16 Stück KFI 357 Staubsaugerbeutel für Kärcher WD2 Plus / WD3 / WD3 Battery/SE 4001 / SE 4002 / KWD1-3 / WD3.200 Nass-/Trockensauger und Waschsauger Extrem Reißfesten Beutel 2.863-314.0

KTNAid€18.41162 rev

2y ago

Awinker 12 Staubsaugerbeutel und 1 Filter für Kärcher KFI 357 WD2 WD 2 Plus WD 3 KWD 1-3 SE 4001 SE 4002 Staubsauger Ersatzteile 2.863-314.0 (13)

Awinker€19.771,440 rev

2y ago

What buyers say about kfi 357

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

What buyers love

Gesamtgröße42%

“Passt”

Qualität insgesamt17%

“Super Produkt”

Preis-Leistungs-Verhältnis13%

“Super Preis”

Kompatibilität – insgesamt6%

“Sehr gut für kwd 1”

beworben Vs Tatsächliches Produkt5%

“Hält was es verspricht”

Einfache Reinigung4%

“Gute Staubsaugerbeutel”

Dicke2%

“Schöne dicke stabile beutel”

Funktionalität insgesamt2%

“Ideal, wenn man feinste Stäube aufsaugen muss”

Benutzerfreundlichkeit2%

“Unkomplizierte Handhabung”

Auslaufsicher1%

“Und dann beim auswechseln kein Dreck”

What buyers complain about

Gesamtgröße19%

“Ich war erst skeptisch wegen der Passform”

Qualität insgesamt12%

“Sehr rubbust günstig”

Preis-Leistungs-Verhältnis12%

“viel zu teuer - da gibt es günstiger Alternativen”

Haltbarkeit8%

“Nie mehr”

beworben Vs Tatsächliches Produkt6%

“Falsche Beschreibung”

Filterung4%

“Der Filter bekommt keine Luft mehr”

Dicke4%

“Passt - etwas dünner als das Original”

Kompatibilität – insgesamt4%

“Die Produktangaben (WD 3) passen nicht?”

Stärke3%

“geringerer Stabilität”

Auslaufsicher3%

“Der Beutel wackelt und ist somit undicht”

Top return reasons

Gesamtgröße55%

Kompatibilität – insgesamt24%

Filterung6%

Qualität insgesamt3%

Saugen2%

Auslaufsicher2%

beworben Vs Tatsächliches Produkt2%

Add-Ons/Anhänge1%

Wartung und Reparatur1%

Rost/Korrodieren1%

Common questions

Is kfi 357 profitable to sell on Amazon Germany?: The niche generates €79K/yr across 9 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +9.6%. Flapen's verdict: Skip it (42/100).
How competitive is the kfi 357 niche?: 8 brands and 106 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in kfi 357?: Top complaints mined from reviews: Gesamtgröße, Qualität insgesamt, Preis-Leistungs-Verhältnis. The return rate is 0.3%.
When does demand for kfi 357 peak?: Demand peaks in Apr–May; the busiest month runs 3.6× the quietest.
What does it cost to enter the kfi 357 niche?: Listings span €8.96–€19.77; the average listing price is €14.31 (sweet spot $15–$100). The average incumbent carries 1,341 reviews — the moat a new listing must climb.