---
product_id: 454428047
title: "Breathe Naturally Replacement Filters Compatible with Filter Queen Defender 4000 Series Air Purifier - HEPA Filter - Carbon Activated Prefilters -35.5\"x7.25\" (Pack of 1, Carbon Prefilter)"
brand: "breathe naturally"
price: "€ 25.24"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/454428047-breathe-naturally-replacement-filters-compatible-with-filter-queen-defender-4000
store_origin: IE
region: Ireland
---

# Universal fit across 7+ Defender models Activated carbon traps smoke & pollutants Made in USA, fresh sealed packaging Breathe Naturally Replacement Filters Compatible with Filter Queen Defender 4000 Series Air Purifier - HEPA Filter - Carbon Activated Prefilters -35.5"x7.25" (Pack of 1, Carbon Prefilter)

**Brand:** breathe naturally
**Price:** € 25.24
**Availability:** ✅ In Stock

## Summary

> 🌬️ Elevate your air game with every breath!

## Quick Answers

- **What is this?** Breathe Naturally Replacement Filters Compatible with Filter Queen Defender 4000 Series Air Purifier - HEPA Filter - Carbon Activated Prefilters -35.5"x7.25" (Pack of 1, Carbon Prefilter) by breathe naturally
- **How much does it cost?** € 25.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/454428047-breathe-naturally-replacement-filters-compatible-with-filter-queen-defender-4000)

## Best For

- breathe naturally enthusiasts

## Why This Product

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

## Key Features

- • **Freshness Guaranteed:** Resealable packaging keeps filters uncontaminated until use.
- • **Smart Replacement Cycle:** Replace every 2-3 months (or monthly for heavy use) to maintain peak performance.
- • **Breathe Better, Live Better:** Consistently enhances indoor air quality for a healthier, fresher home environment.
- • **Broad Compatibility, Zero Hassle:** Fits Rac4000, AM4000, Defender 4000 & more for seamless upgrades.
- • **Powerful Activated Carbon Prefilter:** Captures dust, pet dander, and neutralizes smoke for cleaner air.

## Overview

The Breathe Naturally Replacement Carbon Prefilter is a USA-made, activated carbon filter designed for broad compatibility with Filter Queen Defender 4000 series and related models. It effectively traps large particles and reduces smoke and airborne pollutants, ensuring optimal air purifier performance. Packaged fresh in a resealable bag, it requires replacement every 2-3 months to maintain superior indoor air quality.

## Description

Breathe NaturallyReplacement Filters Compatible with Filter Queen Defender 4000 Series Air Purifier - HEPA Filter - Carbon Activated Prefilters -35.5"x7.25" (Pack of 1, Carbon Prefilter)

## Features

- WIDE COMPATIBILITY: Our replacement filters are compatible with a variety of devices, including Rac4000, Air Purifier, AM4000, 4404009100, Defender 4000, Defender 360, Defender 7500, and 5404011300. This broad compatibility ensures that your air purification needs are met across different models, providing versatile and effective filtration for various air purifiers.
- EFFECTIVE FILTRATION EFFICIENCY: Our activated carbon prefilter is engineered to enhance the performance of your air purifier. This thicker than standard prefilter effectively captures large particles such as dust and pet dander. The activated carbon component also efficiently reduces smoke and other airborne pollutants, ensuring your air purifier operates at optimal efficiency.
- MADE IN THE USA: Our pack of 1 carbon prefilter, stored in a resealable bag, remains fresh and ready for use whenever a replacement is needed, ensuring they stay uncontaminated and effective for maintaining consistently clean air. Proudly cut and processed in our family-owned commercial facility in Minnesota, these activated carbon filters provide dependable air purification for your home.
- CONVENIENT MAINTENANCE SCHEDULE: To ensure your air purifiers work efficiently, it's essential to replace the carbon prefilters every 2-3 months under normal conditions and every 1-2 months with heavy usage. This routine maintenance helps maintain optimal performance and ensures consistently clean air in your home.
- ENHANCED AIR QUALITY: By consistently using our replacement filters in your air purifier, you can significantly enhanced the air quality in your home. These filters are perfect for maintaining a fresh indoor environment. Enjoy the benefits of clean air, leading to a more comfortable living space for you and your loved ones.

## Product Details

- **Brand:** Breathe Naturally
- **Material:** Plastic
- **Compatible Devices:** AM4000, Air Purifier, Defender 360, Defender 4000, Rac4000
- **Item Weight:** 1.8 Ounces
- **Number of Items:** 1
- **Manufacturer:** Breathe Naturally
- **Unit Count:** 1.0 Count

## Images

![Breathe Naturally Replacement Filters Compatible with Filter Queen Defender 4000 Series Air Purifier - HEPA Filter - Carbon Activated Prefilters -35.5"x7.25" (Pack of 1, Carbon Prefilter) - Image 1](https://m.media-amazon.com/images/I/817+WmC0HcL.jpg)

## Available Options

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

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-01*