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glasfilter joint

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Soft demand (-18.9% this quarter) — this niche doesn't clear our bar today.

Market size 24Growth 16Conversion 34Competition 59Returns 92Price range 41Avg price 58Brand share 36Review moat 96Quality gap 81

Review moat

Incredible70.71

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.1%

return rate — above 6% kills the launch gate

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Competition

Good50%

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

Avg price

Good€12.93

avg listing price — sweet spot $15–$100

Price range

Okay€5.02–€21.83

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

Brand share

Okay83%

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

Conversion

Okay2.7%

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

Market size

Bad€98K

€98K/yr · 277K searches

Growth

Bad-18.9%

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

Competition

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

19

Top-5 brand share

83%

Open market

10%

  • GRANNY'S FILTER38%
  • EKNA18%
  • PURIZE10%
  • Treez Club9%
  • Generisch9%
  • Jelly Joker6%
  • Open — no brand owns it (5 brands, 10%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%€5K10%€10K15%€15K20%€20K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 33 weeks — -18.9% search growth over the last 90 days.
7K5KNov '25Dec '25Feb '26Mar '26Apr '26May '26Jun '26

Reviews

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

What buyers love

Filterung22%

“Super Filter”

Qualität insgesamt20%

“Top Produkt, top Verarbeitung, top Style – danke Granny”

Einfache Reinigung9%

“Größen, leicht zu reinigen”

Gesamtgröße7%

“9mm passt”

Farbe4%

“Cannaseur Glasfilter-Farb Set & Glow Edition”

Design insgesamt4%

“Sehr schönes Design”

Preis-Leistungs-Verhältnis3%

“Super PreisLeistung”

Benutzerfreundlichkeit3%

“Sie sind angenehm in der Handhabung”

Recyceln/Wiederverwenden2%

“Das Beste an den Glasfiltern ist die Wiederverwendbarkeit”

Luftreinigung2%

“Guter Airflow”

What buyers complain about

Gesamtgröße21%

“passt wirklich null”

Einfache Reinigung9%

“blöd zu reinigen.”

Dicke7%

“Bei mir ist es der dünnste der drei mit 8mm, den mittleren nutze ich dann ab”

Filterung5%

“Als drehfilter viel zu dick”

beworben Vs Tatsächliches Produkt5%

“artikelbeschreibung leicht irreführend”

Haltbarkeit4%

“nicht langlebig”

Preis-Leistungs-Verhältnis4%

“Und zu teuer”

Stärke2%

“Schwach”

Messung / Ablesegenauigkeit1%

“knapp bemessen.”

Spülmaschinenfest1%

“Aber kann man die in die Spülmaschine stecken”

Top return reasons

Gesamtgröße51%
Filterung13%
Kompatibilität – insgesamt6%
Einfache Reinigung4%
beworben Vs Tatsächliches Produkt4%
Gewicht schwer3%
Dicke3%
Qualität insgesamt3%
Verklemmen/Verstopfen3%
Preis-Leistungs-Verhältnis3%