---
product_id: 537482299
title: "0.5\" Thickened Activated Carbon Filters Compatible with LR 4 Connect"
brand: "quearn"
price: "203 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Quearn"
url: https://www.desertcart.ro/products/537482299-0-5-thickened-activated-carbon-filters-compatible-with-lr-4
store_origin: RO
region: Romania
---

# 8 filters for 8 months of hassle-free freshness Biodegradable, pet-safe, eco-friendly material 0.5" thickened activated carbon for max odor control 0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect

**Brand:** quearn
**Price:** 203 Lei
**Availability:** ✅ In Stock

## Summary

> 🐾 Keep your home fresh, your pets happy, and never miss a beat with QUEARN’s activated carbon filters!

## Quick Answers

- **What is this?** 0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect by quearn
- **How much does it cost?** 203 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/537482299-0-5-thickened-activated-carbon-filters-compatible-with-lr-4)

## Best For

- quearn enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit for LR 4:** Specifically designed to seamlessly fit Litter Robot 4 Connect for optimal performance.
- • **Powerful Odor Defense:** Activated carbon with millions of pores traps and neutralizes pet odors instantly.
- • **Long-Lasting Freshness:** 8-pack supply supports monthly replacement for up to 8 months of continuous odor control.
- • **Effortless Installation:** Quick swap design—replace filters in minutes without tools or fuss.
- • **Pet-Safe & Eco-Friendly:** Non-toxic, tasteless, and biodegradable materials keep your home fresh and your pets safe.

## Overview

QUEARN’s 0.5" thickened activated carbon filters are designed exclusively for the Litter Robot 4 Connect, offering superior odor absorption through millions of microscopic pores. Made from biodegradable, pet-safe materials, these 8-pack filters provide up to 8 months of hassle-free freshness with easy, tool-free installation. Trusted by thousands of pet owners, they deliver a cost-effective, eco-conscious solution to keep your home smelling clean and inviting.

## Description

desertcart.com: QUEARN 0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect | 8 Pack, Automatic Cat Litter Box Filters Replacement, Charcoal Filter Sheet to Absorb Odors Control Pet Damp Keep Home Fresh : Pet Supplies

Review: Perfect for litter robot 4 - I purchased these carbon filters for my automatic cat litter box, and they've worked very well. The filters fit properly and were easy to install without any modifications. works for litter robot for perfectly One of the biggest improvements I noticed was the reduction in litter box odors. The activated carbon seems effective at absorbing smells, helping keep the surrounding area fresher between cleanings. With multiple cats in the house, that's a huge benefit. The filters appear to be well-made and thick enough to last as expected. Having an 8-pack provides excellent value and means I won't need to reorder for quite a while. Overall, these filters perform their job effectively, fit correctly, and offer a cost-effective alternative to more expensive replacement filters. I would definitely purchase them again.
Review: Works great - It fits the litter robot and is cheaper than the manufacturer’s. Works like it’s supposed to considering it’s just a carbon filter.

## Features

- Pet-Friendly Material: Our filter replacement for cat litter box adopts fiber activated carbon with millions of tiny pores, which increases high absorption and makes the filtration performance more powerful; What's more, this carbon pre filter is non-toxic and tasteless, environmentally friendly, and safe for pets
- Reduce Odors at Home: This cat litter box filters are aimed at controlling the odor of the litter drawer, reducing the impact of unpleasant water from pets on the air, neutralizing odors in the home and maximizing a fresh home atmosphere; Activated carbon charcoal pads trap urine and feces odors in their pores so your home smells clean and fresh
- Easy to Replace: Our pictures has nstallation tutorial; You just need to remove the old filter sponge and replace it with the new charcoal litter box filters to finish the installation, which only takes a few minutes without any additional tools and knowledge
- 8 Pcs for 8 Mth: We offer 8 carbon filters fit for LR 4 and can replace according to your cat's usage patterns; However, in order to best control the odor, it is recommended to replace it once a month, so that your litter box filter system will last about 8 months

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C4F3FQN1 |
| Best Sellers Rank | #8,969 in Pet Supplies ( See Top 100 in Pet Supplies ) #5 in Cat Litter Box Replacement Air Filters |
| Brand | QUEARN |
| Brand Name | QUEARN |
| Capacity | 19.87 g |
| Color | 8 Pcs for LR 4 (Thickened 0.5") |
| Customer Reviews | 4.6 out of 5 stars 792 Reviews |
| Included Components | Nothing |
| Item Form | Bag |
| Item Type Name | litter robot 4 carbon filter |
| Item Weight | 0.1 kg |
| Manufacturer | QUEARN |
| Manufacturer Warranty Description | No |
| Material Feature | Biodegradable |
| Material Features | Biodegradable |
| Material Type | Activated Carbon |
| Number of Items | 8 |
| Recommended Uses For Product | LR 4 |
| Scent | Odorless |
| Unit Count | 8 Count |

## Product Details

- **Brand:** QUEARN
- **Capacity:** 19.87 g
- **Color:** 8 Pcs for LR 4
- **Item Form:** Bag
- **Material:** Activated carbon
- **Material Feature:** Biodegradable
- **Number of Items:** 1
- **Recommended Uses For Product:** LR 4
- **Scent:** Nothing
- **Unit Count:** 8.0 Count

## Images

![0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect - Image 1](https://m.media-amazon.com/images/I/81D5FL2njrL.jpg)
![0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect - Image 2](https://m.media-amazon.com/images/I/81MVyZUJvbL.jpg)
![0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect - Image 3](https://m.media-amazon.com/images/I/81kHKkBo8TL.jpg)
![0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect - Image 4](https://m.media-amazon.com/images/I/71oEBZuv16L.jpg)
![0.5" Thickened Activated Carbon Filters Compatible with LR 4 Connect - Image 5](https://m.media-amazon.com/images/I/71bFx5XLURL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for litter robot 4
*by A***L on June 20, 2026*

I purchased these carbon filters for my automatic cat litter box, and they've worked very well. The filters fit properly and were easy to install without any modifications. works for litter robot for perfectly One of the biggest improvements I noticed was the reduction in litter box odors. The activated carbon seems effective at absorbing smells, helping keep the surrounding area fresher between cleanings. With multiple cats in the house, that's a huge benefit. The filters appear to be well-made and thick enough to last as expected. Having an 8-pack provides excellent value and means I won't need to reorder for quite a while. Overall, these filters perform their job effectively, fit correctly, and offer a cost-effective alternative to more expensive replacement filters. I would definitely purchase them again.

### ⭐⭐⭐⭐⭐ Works great
*by J***Y on February 26, 2026*

It fits the litter robot and is cheaper than the manufacturer’s. Works like it’s supposed to considering it’s just a carbon filter.

### ⭐⭐⭐⭐⭐ Great fit
*by J***K on December 29, 2025*

I grit this to go with my whisker robot litter 4. Fits perfectly. Keeps smell down. Reminds me to do a good box cleaning. Best litterbox I have ever purchased and these are great to help it run smoothly

## Frequently Bought Together

- QUEARN 8 Pack Carbon Filters Compatible with Model 4, Cat Litter Box Filters Replacement to Absorb Odors Control Damp from Pets and Keep Home Fresh
- Nature's Miracle Litter Box Scrubbing Wipes 30Ct
- Whisker Litter-Robot Waste Drawer Liners , 50 Pack - Cat Litter Tray Liners, Custom Fit for Litter-Robot, 9-11 Gallons of Capacity, Quick to Install and Easy to Empty

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**Shop now:** [https://www.desertcart.ro/products/537482299-0-5-thickened-activated-carbon-filters-compatible-with-lr-4](https://www.desertcart.ro/products/537482299-0-5-thickened-activated-carbon-filters-compatible-with-lr-4)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-07-28*