---
product_id: 20806862
title: "Aqua Kleen AK-3021 Unicel Replacement Filter Cartridge for Swimming Pool and Spa"
brand: "baleen filters"
price: "€ 14.47"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.gr/products/20806862-aqua-kleen-ak-3021-unicel-replacement-filter-cartridge-for-swimming
store_origin: GR
region: Greece
---

# 4 15/16" OD Wash & Reuse 50 sq. ft. Aqua Kleen AK-3021 Unicel Replacement Filter Cartridge for Swimming Pool and Spa

**Brand:** baleen filters
**Price:** € 14.47
**Availability:** ❌ Out of Stock

## Summary

> 💧 Dive into Cleanliness with Aqua Kleen!

## Quick Answers

- **What is this?** Aqua Kleen AK-3021 Unicel Replacement Filter Cartridge for Swimming Pool and Spa by baleen filters
- **How much does it cost?** € 14.47 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/20806862-aqua-kleen-ak-3021-unicel-replacement-filter-cartridge-for-swimming)

## Best For

- baleen filters enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Friendly Choice:** Washable and reusable for sustainable pool maintenance.
- • **Durability Redefined:** Engineered to withstand high pressures and temperatures.
- • **User-Friendly Design:** Simple installation and maintenance for hassle-free enjoyment.
- • **Perfect Compatibility:** Exact fit for Unicel, Pleatco, and Filbur models.
- • **Energy Efficiency Champion:** Designed to optimize energy use while keeping your pool pristine.

## Overview

The Aqua Kleen AK-3021 Unicel Replacement Filter Cartridge is a high-performance filtration solution for swimming pools and spas, featuring a 50 sq. ft. filtration area, durable construction, and compatibility with major brands. Its eco-friendly design allows for washing and reusing, making it a smart choice for energy-conscious pool owners.

## Description

50 sq. ft. Top Load Filter for Advantage ELE-50 Cartridge, replacement of Unicel C-4349, Pleatco PAE50 Supported Brands: Advantage Manufacturing (Advantage Spas) Our Universal Pleated Filter Cartridges are washable, reusable, and durable. As a result, our filters last longer than other brands, and are more economical too. Our filters work hard for you by holding more dirt than other brands; and increased dirt holding capacity means cleaning your pool or spa less often. Our universal pleated filter cartridges are constructed of the highest quality non-woven polyester, with a durable polypropylene core to provide maximum strength. The ends are immersed in thermo setting vinyl plastisol that seals the end of each pleat uniting the components and forming a permanent bonded end cap, unlike cheap alternatives. This makes our universal pleated filter cartridges perfect for residential, commercial, and industrial pool and spa applications. Relish our comprehensive pool and spa collection that includes world-class filters and state-of-the-art pool, spa, and pond accessories at exclusive discount club prices. Please let us know if we don't have what you need, we CAN find it. Pool and Spa Replacement Filter Cartridges meet or exceed OEM specifications. Hint: keep an extra filter on hand so that when its time to clean your filter, you will be able to replace it immediately with the back-up. This will allow you the time to leisurely deep clean your dirty filter and allow it to dry completely before replacing it; and without any down time on your pool or spa system.

## Features

- 50 sq. ft., 4 15/16" OD, Open Hole: 2 1/8" Top, Open Hole: 2 1/8" Bottom, 17 3/8" Long, AK-3021
- Exact Fit for Unicel: C-4349
- Exact Fit for Pleatco: PAE50
- Exact Fit for Filbur: FC-6310
- Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures

## Images

![Aqua Kleen AK-3021 Unicel Replacement Filter Cartridge for Swimming Pool and Spa - Image 1](https://m.media-amazon.com/images/I/317+vaHhKmL.jpg)
![Aqua Kleen AK-3021 Unicel Replacement Filter Cartridge for Swimming Pool and Spa - Image 2](https://m.media-amazon.com/images/I/41uY1bUuhxL.jpg)
![Aqua Kleen AK-3021 Unicel Replacement Filter Cartridge for Swimming Pool and Spa - Image 3](https://m.media-amazon.com/images/I/41uMY0yhdbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Fit perfectly
  

*by A***R on Reviewed in the United States on September 2, 2013*

Fit perfectly.  Was shipped UPS and waited for a week or so only to discover UPS left it at the Post Office instead of delivering to my home!

### ⭐⭐⭐⭐⭐ 







  
  
    Five Stars
  

*by L***U on Reviewed in the United States on August 5, 2015*

Came at the perfect time. Replaced the new with the old and a extra for backup.

### ⭐⭐⭐⭐⭐ 







  
  
    Works great! Fast shipping and as reliable as the original
  

*by M***A on Reviewed in the United States on June 25, 2015*

Works great!  Fast shipping and as reliable as the original.

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**Shop now:** [https://www.desertcart.gr/products/20806862-aqua-kleen-ak-3021-unicel-replacement-filter-cartridge-for-swimming](https://www.desertcart.gr/products/20806862-aqua-kleen-ak-3021-unicel-replacement-filter-cartridge-for-swimming)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-27*