---
product_id: 344449875
title: "Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3)"
brand: "penn-plax"
price: "€ 41.39"
currency: EUR
in_stock: true
reviews_count: 6
url: https://www.desertcart.nl/products/344449875-penn-plax-filt-a-carb-replacement-media-cartridges-2-pack
store_origin: NL
region: Netherlands
---

# Universal Fit All Life Stages Chemical Filtration Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3)

**Brand:** penn-plax
**Price:** € 41.39
**Availability:** ✅ In Stock

## Summary

> 💧 Dive into a cleaner aquarium experience!

## Quick Answers

- **What is this?** Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3) by penn-plax
- **How much does it cost?** € 41.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/344449875-penn-plax-filt-a-carb-replacement-media-cartridges-2-pack)

## Best For

- penn-plax enthusiasts

## Why This Product

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

## Key Features

- • **Pet-Safe Design:** Safe for all life stages, from fry to full-grown!
- • **Easy Maintenance:** Quick and hassle-free cartridge replacement!
- • **Crystal Clear Water:** Say goodbye to discolorations and hello to clarity!
- • **Universal Compatibility:** Fits most undergravel filters effortlessly!
- • **Odor-Free Aquatic Environment:** Breathe easy with reduced foul odors!

## Overview

The Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) are designed for universal compatibility with most undergravel filters. These activated carbon cartridges effectively absorb harmful chemicals, ammonia, nitrites, and nitrates, ensuring a crystal-clear and odor-free aquatic environment for your pets. Ideal for all life stages, they are a must-have for any aquarium enthusiast.

## Description

Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3)

## Features

- CHEMICAL FILTRATION: In addition to absorbing ammonia, nitrites, nitrates, and phosphates in a timely manner, these Activated Carbon Cartridges also remove harmful chemicals and toxins, clear up discolorations, and reduce foul odors from your tank.
- SHOP PENN-PLAX FOR ALL YOUR PETS NEEDS: Penn-Plax is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 12.7 x 22.86 x 15.24 cm; 40.82 g |
| Item model number | FC3 |
| Pet Life Stage | All Life Stages |
| Allergen Information | Codfish Free |
| Size | Multi-Pore and Undergravel “E” Filters |
| Number of Items | 1 |
| Quantity | 1 |
| Compatible Devices | Penn Plax Under Gravel "E" Filter |
| Specific Uses | Indoor |
| Batteries required | No |
| Batteries Included | No |
| External Testing Certification | NSF |
| Item Weight | 40.8 g |

## Product Details

- **Material:** Plastic
- **Product Dimensions:** 5"D x 6"W x 9"H
- **External Testing Certification:** NSF
- **Product Benefits:** Removes harmful chemicals, toxins, and odors through chemical filtration
- **Brand:** Penn-Plax

## Images

![Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3) - Image 1](https://m.media-amazon.com/images/I/81eKnGIPmWL.jpg)
![Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3) - Image 2](https://m.media-amazon.com/images/I/91xXc-TNkfL.jpg)
![Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3) - Image 3](https://m.media-amazon.com/images/I/214JyYBNyAL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: Do these come in a 6 pack like the other Penn Plax filter cartridges?**
A: Mind didn't

**Q: what size tube will this fit over?**
A: Not sure I bought this years ago

**Q: Will these fit the lee's under gravel filter tubes, since these are labeled "universal"?**
A: I use these also so yes they should work.

**Q: Do these fit a 1" lift tube?**
A: Really can't remember, I switched from an under ground about A year ago and went o a canister filter system which keeps the water cleaner. Hope this helps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    A must if you have a under gravel  filter..
  

*by T***K on Reviewed in the United Kingdom on 26 October 2023*

I change my carb-heads every 3 months..change the air stone at the same time....with a powerful duel out let air pump...you will see the difference in the water quality in your aquarium

### ⭐⭐⭐⭐⭐ 







  
  
    Aquarium
  

*by S***U on Reviewed in Canada on 11 January 2022*

Have not used them yet, but seams that it will do the job when needed

### ⭐⭐⭐⭐ 







  
  
    Only option
  

*by R***N on Reviewed in Canada on 18 November 2023*

Tough to find these in pet stores, and I live in a city. These worked fine, glad they are available somewhere

## Frequently Bought Together

- Penn-Plax Filt-a-Carb Replacement Media Cartridges (2 Pack) – Universal Fit for Most Undergravel Filters – Provides Chemical Filtration (FC3)
- Pawfly Aquarium Air Stone 1 Inch, Fish Tank Air Stone Aerator Bubble Diffuser for Nano Air Pumps Small Buckets and Fish Tanks, 10 Pack
- PENN-PLAX Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 8 Feet

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**Shop now:** [https://www.desertcart.nl/products/344449875-penn-plax-filt-a-carb-replacement-media-cartridges-2-pack](https://www.desertcart.nl/products/344449875-penn-plax-filt-a-carb-replacement-media-cartridges-2-pack)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-28*