---
title: "breather filter — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/breather-filter"
last_updated: "2026-07-14T00:01:08.613Z"
locale: en
meta:
  description: "a small market ($31K/yr) — breather filter doesn't clear our bar today."
  "og:description": "a small market ($31K/yr) — breather filter doesn't clear our bar today."
  "og:title": "breather filter — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
---

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# **breather filter**

**Skip it**

A small market ($31K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 40Conversion 42Competition 61Returns 82Price range 55Avg price 42Brand share 69Review moat 81Quality gap 38

**Returns**

**Great****1.7%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****375.21**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****64%**

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

**Competition**

**Good****49%**

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

**Price range**

**Good****$4.60–$27.88**

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

**Conversion**

**Okay****3.4%**

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

**Avg price**

**Okay****$11.02**

avg listing price — sweet spot $15–$100

**Growth**

**Okay****+11.9%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$31K**

$31K/yr · 84K searches

## **Competition**

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▼falling

**Sellers**

**70**

**Top-5 brand share**

**64%**

**Open market**

**31%**

- K&N32% - RASNONE13% - 4into17% - RASNAUTO6% - Eoppen6% - ZIMISI5%

## **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%10%$3K20%$6K30%$9K40%$13K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 28 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![K&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top Red  62-1600RD](https://m.media-amazon.com/images/I/51EJGui53+L.jpg)**K&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top Red 62-1600RD**K&N**$13.13**4.7★1,699 rev](https://www.amazon.com/dp/B009774GCA) [2![RASNONE 12mm Air Filter Cold Air Intake Filter Breather Turbo Vent Air Intake Filter Cleaner Black Universal for car and Motorcycle](https://m.media-amazon.com/images/I/41GPije9VyL.jpg)**RASNONE 12mm Air Filter Cold Air Intake Filter Breather Turbo Vent Air Intake Filter Cleaner Black Universal for car and Motorcycle**RASNONE**$5.50**4.6★631 rev](https://www.amazon.com/dp/B082YD5L6B) [3![RASNAUTO 2pcs 12mm Air Filter Cold Air Intake Filter Breather Turbo Vent Cleaner Black Universal for Car and Motorcycle](https://m.media-amazon.com/images/I/41JFxNP4X3L.jpg)**RASNAUTO 2pcs 12mm Air Filter Cold Air Intake Filter Breather Turbo Vent Cleaner Black Universal for Car and Motorcycle**RASNAUTO**$7.49**4.5★220 rev](https://www.amazon.com/dp/B08Z6ZLJTX) [4![Eoppen 2Pcs 12mm Air Filter Mini Universal Vent Crankcase Cold Air Intake Breathe Filter for Car and Motorcycle (Black)](https://m.media-amazon.com/images/I/414s1FDfDXL.jpg)**Eoppen 2Pcs 12mm Air Filter Mini Universal Vent Crankcase Cold Air Intake Breathe Filter for Car and Motorcycle (Black)**Eoppen**$9.40**4.5★48 rev](https://www.amazon.com/dp/B0DRHYRMDF) [5![K&N Vent Air Filter/Breather: High Performance Premium Washable Replacement Engine Filter: Flange Diameter: 0.375 in Filter Height: 1.75 in Flange Length: 0.5 in Shape: Breather 62-1600WT](https://m.media-amazon.com/images/I/41XSF4GeBzL.jpg)**K&N Vent Air Filter/Breather: High Performance Premium Washable Replacement Engine Filter: Flange Diameter: 0.375 in Filter Height: 1.75 in Flange Length: 0.5 in Shape: Breather 62-1600WT**K&N**$11.35**4.6★264 rev](https://www.amazon.com/dp/B009WFRV92)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![ZIMISI 0.47/12mm Car Cold Air Intake Filter Round Tapered Car Valve Cover Breather Filter High Flow Automotive Filters Fit for Most Cars Motorcycles (Black)](https://m.media-amazon.com/images/I/31YwmNvXpbL.jpg)**ZIMISI 0.47/12mm Car Cold Air Intake Filter Round Tapered Car Valve Cover Breather Filter High Flow Automotive Filters Fit for Most Cars Motorcycles (Black)**ZIMISI**$4.76**35 rev1y ago](https://www.amazon.com/dp/B0F8NGHM1G) [![ZIMISI 0.47/12mm Car Cold Air Intake Filter Round Tapered Car Valve Cover Breather Filter High Flow Automotive Filters Fit for Most Cars Motorcycles (Carbon)](https://m.media-amazon.com/images/I/41PJ58baDoL.jpg)**ZIMISI 0.47/12mm Car Cold Air Intake Filter Round Tapered Car Valve Cover Breather Filter High Flow Automotive Filters Fit for Most Cars Motorcycles (Carbon)**ZIMISI**$4.93**35 rev1y ago](https://www.amazon.com/dp/B0F8NGD1DR) [![Eoppen 2Pcs 12mm Air Filter Mini Universal Vent Crankcase Cold Air Intake Breathe Filter for Car and Motorcycle (Black)](https://m.media-amazon.com/images/I/414s1FDfDXL.jpg)**Eoppen 2Pcs 12mm Air Filter Mini Universal Vent Crankcase Cold Air Intake Breathe Filter for Car and Motorcycle (Black)**Eoppen**$9.40**48 rev1y ago](https://www.amazon.com/dp/B0DRHYRMDF) [![Eoppen 2Pcs 12mm Air Filter Mini Universal Vent Crankcase Cold Air Intake Breathe Filter for Car and Motorcycle (Red)](https://m.media-amazon.com/images/I/41UGnHz7NiL.jpg)**Eoppen 2Pcs 12mm Air Filter Mini Universal Vent Crankcase Cold Air Intake Breathe Filter for Car and Motorcycle (Red)**Eoppen**$9.44**48 rev1y ago](https://www.amazon.com/dp/B0DRJ1B6KM) [![12mm Air Filter Mini - Universal Cold Air Intake Filter Breather Turbo Vent Air Filter For Car and Motorcycle Black Pack of 4](https://m.media-amazon.com/images/I/51fJoDg+wgL.jpg)**12mm Air Filter Mini - Universal Cold Air Intake Filter Breather Turbo Vent Air Filter For Car and Motorcycle Black Pack of 4**BOMLING**$11.23**10 rev1y ago](https://www.amazon.com/dp/B0D9QBN7RP)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![12mm Air Filter Mini - Universal Cold Air Intake Filter Breather Turbo Vent Air Filter For Car and Motorcycle Black Pack of 4](https://m.media-amazon.com/images/I/51fJoDg+wgL.jpg)**12mm Air Filter Mini - Universal Cold Air Intake Filter Breather Turbo Vent Air Filter For Car and Motorcycle Black Pack of 4**BOMLING**$11.23**4.6★**▲ 172%**](https://www.amazon.com/dp/B0D9QBN7RP) [![BOMLING 12mm Air Filter Mini - Universal Cold Air Intake Filter Breather Turbo Vent Air Filter For Car and Motorcycle Black Pack of 2](https://m.media-amazon.com/images/I/41wlC21ylAL.jpg)**BOMLING 12mm Air Filter Mini - Universal Cold Air Intake Filter Breather Turbo Vent Air Filter For Car and Motorcycle Black Pack of 2**BOMLING**$6.23**4.6★**▲ 167%**](https://www.amazon.com/dp/B0CP7M7JG2) [![ZIMISI 0.47/12mm Car Cold Air Intake Filter Round Tapered Car Valve Cover Breather Filter High Flow Automotive Filters Fit for Most Cars Motorcycles (Carbon)](https://m.media-amazon.com/images/I/41PJ58baDoL.jpg)**ZIMISI 0.47/12mm Car Cold Air Intake Filter Round Tapered Car Valve Cover Breather Filter High Flow Automotive Filters Fit for Most Cars Motorcycles (Carbon)**ZIMISI**$4.93**4.0★**▲ 166%**](https://www.amazon.com/dp/B0F8NGD1DR) [![Uni Filter UP-107 1 Clamp-On Breather](https://m.media-amazon.com/images/I/41STjrGPzZL.jpg)**Uni Filter UP-107 1 Clamp-On Breather**4into1**$19.56**4.8★**▲ 104%**](https://www.amazon.com/dp/B003CJOTSA) [![Uni Filter UP-102 3/8 Clamp-On Breather](https://m.media-amazon.com/images/I/41f+uxRet5L.jpg)**Uni Filter UP-102 3/8 Clamp-On Breather**4into1**$17.08**4.6★**▲ 69%**](https://www.amazon.com/dp/B000OO0XL8)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +11.9% search growth over the last 90 days.

2K1KSpike '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

## **Reviews**

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

### **What buyers love **

**Size-Overall**31%

*“Fit well”*

**Quality-Overall**16%

*“Good quality”*

**Filtration**11%

*“Great filter”*

**Value For Money**8%

*“Great value”*

**Assembly/Installation**8%

*“No issues for install”*

**Advertised Vs Actual Product**8%

*“Just as described”*

**Efficiency**7%

*“does the job”*

**Design-Overall**3%

*“looks a lot nicer”*

**Ease Of Cleaning**1%

*“The foam is easy to clean and re-oil”*

**Mounting**1%

*“can be mounted almost anywhere”*

### **What buyers complain about **

**Durability**17%

*“Broken immediately”*

**Size-Overall**17%

*“Small”*

**Quality-Overall**12%

*“Insanely cheap disappointing”*

**Filtration**8%

*“why buy more expensive filter”*

**Value For Money**7%

*“much cheaper”*

**Assembly/Installation**7%

*“It broke just trying to install it I would definitely not recommend it”*

**Flatness**5%

*“battom part its not flat”*

**Compatibility-Overall**5%

*“does not fit secondary air filter 2011 gti”*

**Rubber Quality**3%

*“Did not last a day before the rubber broke”*

**Advertised Vs Actual Product**2%

*“Ad is misleading”*

### **Top return reasons **

**Size-Overall**60%

**Filtration**12%

**Compatibility-Overall**9%

**Advertised Vs Actual Product**3%

**Defective Material/Parts**3%

**Quality-Overall**2%

**Value For Money**2%

**Material Quality**1%

**Color**1%

**Functionality-Overall**1%