---
product_id: 421860809
title: "KAX CF11811 Premium HEPA Cabin Air Filter for Mazda"
brand: "kax"
price: "$48.39"
currency: USD
in_stock: true
reviews_count: 13
category: "Kax"
url: https://www.desertcart.us/products/421860809-kax-cf11811-premium-hepa-cabin-air-filter-for-mazda
store_origin: US
region: United States of America
---

# Boosts HVAC efficiency 5-layer multi-effect design 99.9% HEPA filtration KAX CF11811 Premium HEPA Cabin Air Filter for Mazda

**Brand:** kax
**Price:** $48.39
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate your drive with air so clean, you’ll wonder how you ever lived without it.

## Quick Answers

- **What is this?** KAX CF11811 Premium HEPA Cabin Air Filter for Mazda by kax
- **How much does it cost?** $48.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/421860809-kax-cf11811-premium-hepa-cabin-air-filter-for-mazda)

## Best For

- kax enthusiasts

## Why This Product

- Trusted kax brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Freshness:** Recommended replacement every 12 months or 12,000 miles keeps your cabin air consistently clean and allergen-free.
- • **Plug & Play Convenience:** Slide-in rectangular design with no washing or reusing needed—just fresh air, hassle-free.
- • **Next-Level HVAC Performance:** Specialized electrostatic cotton structure enhances airflow, improving your vehicle’s heating and cooling efficiency.
- • **Breathe Pure, Drive Confident:** Advanced HEPA-grade filter traps 99.9% of harmful particles for a pristine cabin environment.
- • **Engineered for Elite Vehicles:** Precision fit for Toyota, Lexus, Subaru, and Mazda models ensuring seamless installation and optimal performance.

## Overview

The KAX CF12157 HEPA Cabin Air Filter is a premium replacement filter compatible with a wide range of Toyota, Lexus, Subaru, and Mazda models. Featuring a 5-layer high-efficiency non-woven fabric with activated carbon, it delivers up to 99.9% filtration efficiency, significantly reducing airborne contaminants inside your vehicle. Its specialized electrostatic cotton design enhances HVAC airflow, improving heating and cooling performance. Designed for easy slide-in installation, this filter requires replacement every 12 months or 12,000 miles to maintain optimal cabin air quality.

## Description

The KAX high-end air conditioning filter is not a simple substitute. it enables you to enjoy pure and fresh airIt integrates double-layer high-density activated carbon, which not only adsorbs but also reduces impurities and odors inside the car. Let every deep breath of yours be a pleasure.Provide fresh space for you and your family: With electrostatic non-woven fabric, filtration efficiency exceeds 99.9% in a single pass. This provides you with a comfortable driving environmentExperience the peak state of your car's air conditioning system: With a precise structure, it achieves ultimate filtration while reducing air resistance by up to 15%. Bring more powerful cooling and heating speeds: quickly reach the comfortable temperature you set, and better system energy efficiency

Review: Quick do it yourself saves a lot of money - Don’t let the dealership hoodwink you into letting them change this filter for you! 15 minute job for anyone with common sense. Car dealerships will charge you over 100$ for this. Easy fast and cheep do it yourself project
Review: Excellent Price AND Quality!!! - This is a GREAT air filter at a GREAT price! Think K&N quality at an inexpensive OEM price and this is what you get with KAX! VERY satisfied, just buy it. :-)

## Features

- Vehicle Application: KAX Premium HEPA cabin air filter CF11811 replacement for Mazda CX-5 2013-2025, Mazda 3 2014-2018, Mazda 6 2014-2021
- KAX ProSeries HEPA Cabin Air Filter: Upgrade your cabin air with the KAX ProSeries. Its core integrates a HEPA-compliant high-capacity dual-layer carbon matrix that actively reduces odors while reducing 99.9% of 0.1–0.3μm particles—outperforming basic OEM parts by 35%. True HEPA filtration, independently tested
- Optimized Airflow Design: Engineered to reduce airflow resistance by 15%, the KAX HEPA cabin filter elevates climate system performance. It achieves an optimal equilibrium: intensified cooling airflow paired with reduced operational energy expenditure—representing an overall upgrade for the cabin air conditioning filters
- Engineered for Exact Fit: Every KAX cabin air filters are engineered from exact OEM dimensional specifications. We subjected the installation process to multiple rounds of rigorous testing. This ensures 100% compatibility and a tool-free installation in under 5 minutes
- Specifications：①Behind Glove Box; ②Length: 9.1 inch; ③Width: 8.4 inch; ④Height: 1.2 inch; ⑤Shape: Rectangle; ⑥ Washable: No; ⑦ Reusable: No ; ⑧ Packaging Type: Box; ⑨ Package Quantity: 1pcs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KPDMM61 |
| Best Sellers Rank | #5,071 in Automotive ( See Top 100 in Automotive ) #47 in Automotive Replacement Passenger Compartment Air Filters |
| Brand | KAX |
| Brand Name | KAX |
| Compatible Devices | Replacement for Mazda CX-5 2013-2025, 3 2014-2018, 6 2014-2021 |
| Compatible Hvac Systems | residential |
| Customer Reviews | 4.7 out of 5 stars 2,419 Reviews |
| Filter Mounting Type | Slide In |
| Filter Shape | Rectangular |
| Global Trade Identification Number | 06976893140311 |
| Included Components | 1* CF11811 Cabin Air Filter,1x Product Manual |
| Item Dimensions L x W x Thickness | 9.1"L x 8.4"W x 1.2"Th |
| Item Highlight | for Mazda 3 2014-2018, Mazda 6 2014-2021, CX-5 2013-2025, Replaces KD45-61-J6X, Strong Adsorption Cabin Filter |
| Item Type Name | CF11811 Premium Cabin Air Filter |
| Item Weight | 5.6 ounces |
| Manufacturer | KAX |
| Manufacturer Part Number | 3187GCF003CUS |
| Material | Advanced Dual-Layer Carbon Shield Technology |
| Material Type | Advanced Dual-Layer Carbon Shield Technology |
| Model Number | CF11811 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 9.1"L x 8.4"W x 1.2"Th |
| Product Grade | New |
| Unit Count | 1 Count |
| Warranty Description | 1 Year |

## Product Details

- **Brand:** KAX
- **Filter Mounting Type:** Slide In
- **Filter Shape:** Rectangular
- **Global Trade Identification Number:** 06976893110888
- **Item Weight:** 5.92 ounces
- **Manufacturer:** KAX
- **Material:** Composite High-Efficiency Media with Carbon Granules for Adsorption
- **Number of Items:** 1
- **Product Dimensions:** 8.4"L x 7.3"W x 1.2"Th

## Images

![KAX CF11811 Premium HEPA Cabin Air Filter for Mazda - Image 1](https://m.media-amazon.com/images/I/71XBsv+X5fL.jpg)
![KAX CF11811 Premium HEPA Cabin Air Filter for Mazda - Image 2](https://m.media-amazon.com/images/I/71nCjOtVvsL.jpg)
![KAX CF11811 Premium HEPA Cabin Air Filter for Mazda - Image 3](https://m.media-amazon.com/images/I/71ChCDNg+zL.jpg)
![KAX CF11811 Premium HEPA Cabin Air Filter for Mazda - Image 4](https://m.media-amazon.com/images/I/71iwQS+CSML.jpg)
![KAX CF11811 Premium HEPA Cabin Air Filter for Mazda - Image 5](https://m.media-amazon.com/images/I/61bb1rHLT0L.jpg)

## Available Options

This product comes in different **Set** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quick do it yourself saves a lot of money
*by S***K on July 7, 2026*

Don’t let the dealership hoodwink you into letting them change this filter for you! 15 minute job for anyone with common sense. Car dealerships will charge you over 100$ for this. Easy fast and cheep do it yourself project

### ⭐⭐⭐⭐⭐ Excellent Price AND Quality!!!
*by E***Y on July 11, 2026*

This is a GREAT air filter at a GREAT price! Think K&N quality at an inexpensive OEM price and this is what you get with KAX! VERY satisfied, just buy it. :-)

### ⭐⭐⭐⭐⭐ Amazing!!!
*by E***E on July 22, 2026*

I would recommend this cabin air filter! I noticed a big change in my car with how the air smells even when I would install other cabin air filters I would still notice a small smell in the air like it wasn’t fully clean but this cabin air filter is great. The air smells clean!!

## Frequently Bought Together

- KAX Cabin Air Filter, Replace for GCF003 (CF11811) Mazda3, Mazda6, CX-5 Cabin Filter, Compatibile with KD45-61-J6X, Strong Adsorption w/Upgraded Activated Carbon
- KAX Engine Air Filter GAF037 Fits for Mazda 3 2013-2018, Mazda 6 2014-2021, CX-5 2.5L 2013-20213, Replacement for CA11259, PE07-13-3A0, PE07-13-3A0A, PE07-13-3A0A

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-01*