---
product_id: 301944539
title: "Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank"
brand: "penn-plax"
price: "836 DH"
currency: MAD
in_stock: true
url: https://www.desertcart.ma/products/301944539-penn-plax-cascade-mini-hang-on-aquarium-filter-with-activated
store_origin: MA
region: Morocco
---

# 20 GPH flow rate Activated carbon + sponge filtration Adjustable flow knob Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank

**Brand:** penn-plax
**Price:** 836 DH
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your mini aquatic world crystal clear and thriving!

## Quick Answers

- **What is this?** Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank by penn-plax
- **How much does it cost?** 836 DH with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/301944539-penn-plax-cascade-mini-hang-on-aquarium-filter-with-activated)

## 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

- • **Crystal Clear Flow:** Quietly pumps 20 gallons per hour for pristine water clarity
- • **Compact & Convenient:** Hang-on design fits tanks up to 7 gallons without clutter
- • **Customizable Filtration:** Adjust flow easily to suit feeding times or tank needs
- • **Dual-Stage Purification:** Activated carbon removes toxins while sponge fosters beneficial bacteria
- • **Fresh & Saltwater Ready:** Versatile filter perfect for any small aquarium setup

## Overview

The Penn Plax Cascade Mini Hang-on Aquarium Filter delivers a powerful 20 GPH flow rate, combining activated carbon and sponge filtration to remove toxins and support beneficial bacteria. Designed for tanks up to 7 gallons, it features an adjustable flow knob for precise control and is suitable for both freshwater and saltwater aquariums. Compact and quiet, it ensures your small aquatic ecosystem stays vibrant and healthy.

## Description

Penn-Plax presents the Cascade 20 Mini Power Hang-On Filter. This filter quietly delivers crystal clear water, and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed. The hang-on design is constructed for safe mounting. With a provided extension piece, the lift tube measures between 5” (min) and 6 1/2” (max). Extremely Beneficial: This Cascade filter utilizes disposable, double-sided media cartridges that contain Poly Fiber Floss. The included cartridge traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. Overall Measurements: 4. 5” (H) x 3. 75” (W) x 3” (D). Shop Penn-Plax for All Your Pet’s 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.Pour enough water to completely immerse impeller cover before turning filter on. Never run filter dry.

## Features

- Hang on aquarium filter quietly delivers 20 gallons per hour of crystal clear water for your fresh or saltwater aquarium up to 7 gallons in size.
- Activated carbon cartridge removes harmful chemicals, toxins, odors, discoloration, and other contaminants for your aquarium.
- Internal sponge optimizes colonization of beneficial aerobic bacteria and polyfiber floss cartridge traps floating particulate matter.
- Adjustable flow knob allows you to reduce filtration during feeding times or as needed. Aquarium filter is recommended for both freshwater and saltwater applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Penn Plax, INC. |
| Country of Origin | USA |
| Item model number | CPF6 |
| Product Dimensions | 8.89 x 13.21 x 12.19 cm; 317.51 g |
| ASIN | B00T6HPZFI |

## Images

![Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank - Image 1](https://m.media-amazon.com/images/I/81sBoa9EWyL.jpg)
![Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank - Image 2](https://m.media-amazon.com/images/I/71Yvti43VsL.jpg)
![Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank - Image 3](https://m.media-amazon.com/images/I/716P2bSfgiL.jpg)
![Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank - Image 4](https://m.media-amazon.com/images/I/81r-T9FJ9nL.jpg)
![Penn Plax Cascade Mini Hang-on Aquarium Filter with Activated Carbon and Sponge for Small Aquariums Cleans Small Up to 7 Gallon Tank - Image 5](https://m.media-amazon.com/images/I/81rh4sUepLL.jpg)

## Questions & Answers

**Q: Does it come with a pre-filter? Also do the tetra whisper small cartridges fit?**
A: It does not come with a pre-filter, but the fluval edge pre-filter fits pretty well. You just have to use some hot glue and glue it to the intake tube. As for the tetra cartridges, im not sure. I've been using some extra API crystal bio-chem zorb cartridges I have, which don't fit perfectly, but they work.

**Q: What size should I get for my 3 gallon tank? Is this safe for a Berra fish?**
A: In my opinion, this filter assembly Penn Plax Cascade 20 mini should do the job for up to a 7 gallon tank. This filter assy. has a flow control knob you can adjust the flow of filtration from slow to fast for fine adjustment of flow or for feeding time to shut off filtration while feeding so as not to filter the food out of water. This is a nice feature as you do not need to unplug the filter assy., while feeding, it bypasses a small amount of water and does not harm the pump. I really like the Cascade filters, I have two 300's on my 55 gallon tank.  I believe your other question is it safe for a betta fish not Berra? When I started out with a one and a half gallon tank and one Betta, I asked at a fish store on Betta care and the store told me they don't need filtration or aeration and they only live a couple years if you are lucky. I didn't buy this info. because I put myself if a fish position not wanting to breathe and swim in my own waste. I used filtration, aeration and a small heater to keep a constant on temperature for the lil guy and it lived for five years!  So I'd say the filter would be safe. Some say I do overkill, but I enjoy happy, healthy fish! I also use BettaSafe water conditioner to start off with also. I hope this helps you!

**Q: Does the carbon side of the filter face the tank?**
A: Yes.  The flow of water should hit the white filter media first, then pass through the carbon, and out into the tank.

**Q: can i use activated carbon and ceramic for the filter media?**
A: No room for ceramic and carbon

## Frequently Bought Together

- Penn-Plax Cascade 20 Power Filter – Mini Hang-On Filter with Quad Filtration – Great for Freshwater and Saltwater Setups, (Model: CPF6)
- Penn-Plax CPF6C3 Cascade Hang-on Power Filter Replacement Media- Pack of 1 (3 count)
- Penn-Plax Cascade Replacement Filter Cartridges CPF6C3 (9-Pack)

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*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-01-26*