---
product_id: 549126062
title: "True HEPA Filter Replacement Compatible with Filter Queen Defender 4000 7500 360 Air Cleaner Purifier, High-efficiency True HEPA Filter with 4 Activated Carbon Pre-Filter"
brand: "ontheone"
price: "635 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/549126062-true-hepa-filter-replacement-compatible-with-filter-queen-defender-4000
store_origin: RO
region: Romania
---

# 6-8 months filter lifespan 99.97% particle filtration 4 activated carbon pre-filters True HEPA Filter Replacement Compatible with Filter Queen Defender 4000 7500 360 Air Cleaner Purifier, High-efficiency True HEPA Filter with 4 Activated Carbon Pre-Filter

**Brand:** ontheone
**Price:** 635 Lei
**Availability:** ✅ In Stock

## Summary

> 🌬️ Breathe Brilliance: Elevate your air, elevate your life.

## Quick Answers

- **What is this?** True HEPA Filter Replacement Compatible with Filter Queen Defender 4000 7500 360 Air Cleaner Purifier, High-efficiency True HEPA Filter with 4 Activated Carbon Pre-Filter by ontheone
- **How much does it cost?** 635 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/549126062-true-hepa-filter-replacement-compatible-with-filter-queen-defender-4000)

## Best For

- ontheone enthusiasts

## Why This Product

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

## Key Features

- • **Long-Lasting Freshness:** Replace every 6-8 months to maintain peak air quality and extend your purifier’s lifespan.
- • **Seamless Compatibility:** Designed specifically for Filter Queen Defender 4000, 7500, and 360 models—easy upgrade, zero hassle.
- • **Triple-Stage Purification Power:** Pre-filter, True HEPA, and activated carbon combine to trap dust, allergens, and odors for fresher air.
- • **Odor Neutralizing Activated Carbon:** Effectively eliminates household smells from pets, cooking, and smoke to keep your space inviting.
- • **Precision Filtration at 0.3 Microns:** Captures ultra-fine particles including PM2.5, pollen, and pet dander with 99.97% efficiency.

## Overview

The Ontheone True HEPA Filter Replacement is engineered for Filter Queen Defender 4000, 7500, and 360 air purifiers, featuring a high-efficiency True HEPA filter that traps 99.97% of airborne particles down to 0.3 microns. Enhanced with 4 activated carbon pre-filters, it neutralizes odors and extends filter life. Designed for easy installation and recommended replacement every 6-8 months, it ensures consistently clean, fresh air in your home or office.

## Description

Our 4000 filter replacement is compatible with filter Queen Defender 4000 7500 360 Air Cleaner Purifier.Please check your air Cleaner purifier carefully to make sure it is the correct filter. 3-Stage Filtration System:Pre Filter: Filters larger particles in the air like dust, hairs, pet fur, lint, and prolongs the life of HEPA filter.True HEPA Filter: Filters 99.97% of airborne particles down to 0.3 microns in size, such as pet dander, and pollen, creating fresh air for you and your family.High-Efficiency Activated Carbon Filter: Filters various household odors from pets, cooking, smoking, and VOCs.Package Include: 1 x True HEPA Filter and 4 x Activated Carbon Pre-Filter include.Warm Tips:It is recommended to replace every 6-8 months regularly.(depending on air quality and circumstance)DisclaimerThis is not an OEM product, any use of the brand name or model designation for this product is made solely for purpose of demonstrating compatibility.

## Features

- Compatible Models: Our 4000 filter replacement is compatible with filter Queen Defender 4000 7500 360 Air Cleaner Purifier, Please check your air Cleaner purifier carefully to make sure it is the correct filter
- High-Efficiency HEPA Filter: Adopting True HEPA filter filter 99.97% of airborne dusts PM2.5 down to 0.3 microns in size. Filter large and airborne particles, including dust, common particles, etc
- Filter Large Particles & Unpleasant Odors: Pre-filter and carbon filter can effectively filter large particles in the air as well as some odors, such as pet odor, smoke, etc, which can effectively protect the carbon layer and HEPA and extend its service life
- Package Included: 1 x True HEPA Filter and 4 x Activated Carbon Pre-Filter include. which help save money for you. It is recommended to replace every 6-8 months (dependent on air quality and use) so you can enjoy clean and filtered air for a long time
- Purchase Hassle-Free: We strictly control the purchase of raw materials for the filters and the continuous refinement of the production process. If you have any questions, please feel free to contact us

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand Name | Ontheone |
| Model Info | 4000 7500 360 |
| Item Weight | 3.34 pounds |
| Product Dimensions | 11.3 x 11.3 x 8.1 inches |
| Item model number | 4000 7500 360 |
| Part Number | 1 |
| Compatible Device | Compatible with Filter Queen Defender 4000 7500 360 Air Purifier |
| Material Type | True HEPA |
| Included Components | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Ontheone
- **Material:** True HEPA
- **Product Dimensions:** 11.3"L x 11.3"W x 8.1"Th
- **MERV Rating:** 13
- **Compatible Devices:** Compatible with Filter Queen Defender 4000 7500 360 Air Purifier
- **Air Filter Construction:** Pleated
- **Number of Items:** 1
- **Manufacturer:** Ontheone
- **Product Grade:** new
- **Unit Count:** 1.0 Count

## Images

![True HEPA Filter Replacement Compatible with Filter Queen Defender 4000 7500 360 Air Cleaner Purifier, High-efficiency True HEPA Filter with 4 Activated Carbon Pre-Filter - Image 1](https://m.media-amazon.com/images/I/71HwzeTdlUL.jpg)

## Available Options

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

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-14*