---
product_id: 372677446
title: "Penn-Plax Cascade 300 Submersible Aquarium Filter"
brand: "penn-plax"
price: "HK$50"
currency: HKD
in_stock: false
reviews_count: 5
url: https://www.desertcart.hk/products/372677446-penn-plax-cascade-300-submersible-aquarium-filter
store_origin: HK
region: Hong Kong
---

# 265 L/hr flow rate Ultra-quiet operation Refillable carbon cartridge Penn-Plax Cascade 300 Submersible Aquarium Filter

**Brand:** penn-plax
**Price:** HK$50
**Availability:** ❌ Out of Stock

## Summary

> 💧 Elevate your aquarium game with whisper-quiet, crystal-clear flow!

## Quick Answers

- **What is this?** Penn-Plax Cascade 300 Submersible Aquarium Filter by penn-plax
- **How much does it cost?** HK$50 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/372677446-penn-plax-cascade-300-submersible-aquarium-filter)

## 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

- • **UK-Ready Convenience:** Built-in UK power cord—plug and play with zero hassle
- • **Whisper-Quiet Filtration:** Enjoy peaceful aquatic ambiance with near-silent operation
- • **Customizable Filter Media:** Large capacity cup lets you tailor filtration to your tank’s needs
- • **Triple-Action Purification:** Physical, chemical, and biological filtration for optimal water health
- • **Crystal Clear Water, Always:** Delivers 265 liters/hour for pristine aquariums up to 38L

## Overview

The Penn-Plax Cascade 300 is a submersible aquarium filter designed for tanks up to 38 liters, delivering a powerful 265 liters per hour flow rate. It features triple-action filtration—physical, chemical, and biological—with a refillable activated carbon cartridge and customizable filter media. Engineered specifically for UK customers, it includes a 180cm UK power cord for immediate use without adapters.

## Description

The Penn-Plax Cascade 300 Internal Filter is designed to provide better filtration and aeration for your tank, both above and below the surface. This filter is intended for Aquariums and Terrariums up to 38 liters in size, and is fully submersible. Fast & Efficient: Our fully submersible aquarium filter quietly delivers crystal clear water for your fresh or marine aquarium. Our filter cycles water at 265 liters per hour for tanks up to 38 liters in size. Accommodating: When setup is done with the provided adjustable and directional Flow Nozzle, circulating water can be redirected to a desired direction. Additionally, our fully submersible filter can be placed horizontally. Versatile: The Cascade 300 Internal Aquarium Filter can also be attached to a Spray Bar by using an elbow joint, both of which are included. This setup helps distribute water evenly for preferred tank aeration. Beneficial: Our filter provides for better filtration in all aspects, including physical, chemical and biological. The activated carbon cartridge removes harmful chemicals, toxins, odors, and discoloration from your aquarium. Convenient: The Carbon Cartridge is refillable. Furthermore, the large capacity aquarium filter cup allows you to choose your own filter medium, and the internal sponge optimizes colonization of beneficial aerobic bacteria. Made Specifically for UK Customers: This model of the Cascade 300 Internal Aquarium Filter has been produced with the appropriate electrical power cord for UK Customers. This is the UK compliant version of our popular US brand. No converter is needed. Measurements: Filter: 15cm x 6.5cm x 5cm - Power Cord: 180cm (Length).

Review: Suit for small tank
Review: Awesome, compact, reliable little filters!

## Features

- EFFICIENT: Quietly delivers crystal clear water for your fresh or marine aquarium. Our filter pushes water at 265 liters per hour for tanks up to 38 liters in size. For Freshwater and Saltwater.
- BENEFICIAL: Provides for better filtration in all aspects, including physical, chemical and biological. The activated carbon cartridge removes harmful chemicals, toxins, odors, and discoloration.
- CONVENIENT: The Carbon Cartridge is refillable; The large capacity filter cup allows you to choose your own filter medium; The internal sponge optimizes colonization of beneficial aerobic bacteria.
- MADE SPECIFICALLY FOR UK CUSTOMERS: This model of the Cascade 300 Internal Aquarium Filter has been produced with the appropriate electrical power cord for UK Customers. No power converter needed.
- MEASUREMENTS: Filter 15cm x 6.5cm x 5cm; Power Cord 180cm (Length).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 0.43 Kilograms |
| Liquid Volume | 10 Gallons |
| Allergen Information | Abalone Free |
| Target Species | Turtle |

## Product Details

- **Brand:** CASCADE
- **Liquid Volume:** 10 Gallons
- **Item Weight:** 0.43 Kilograms
- **Item Form:** Device
- **Target Species:** Fish

## Images

![Penn-Plax Cascade 300 Submersible Aquarium Filter - Image 1](https://m.media-amazon.com/images/I/71lx-azk9KL.jpg)
![Penn-Plax Cascade 300 Submersible Aquarium Filter - Image 2](https://m.media-amazon.com/images/I/7130m2kIGEL.jpg)
![Penn-Plax Cascade 300 Submersible Aquarium Filter - Image 3](https://m.media-amazon.com/images/I/71HFhVGr5cL.jpg)
![Penn-Plax Cascade 300 Submersible Aquarium Filter - Image 4](https://m.media-amazon.com/images/I/71rtb-6TAYL.jpg)
![Penn-Plax Cascade 300 Submersible Aquarium Filter - Image 5](https://m.media-amazon.com/images/I/815AYNJf4lL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Suit for small tank
*by J***. on 20 November 2023*



### ⭐⭐⭐⭐⭐ Awesome, compact, reliable little filters!
*by D***E on 13 September 2025*



### ⭐⭐⭐⭐⭐ Fish are Delighted.
*by B***N on 27 September 2020*



## Frequently Bought Together

- PENN PLAX Cascade 300 Fully Submersible Internal Filter – Provides Physical, Biological, and Chemical Filtration for Aquariums and Turtle Tanks
- Penn-Plax Cascade 300 Filter Replacement Media (2 Pack) – Offers Chemical Filtration for Freshwater and Saltwater Aquariums
- Penn-Plax Cascade 300 Filter Replacement Bio-Sponge (1 Sponge) – Provides Filtration for Freshwater and Saltwater Aquariums

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/372677446-penn-plax-cascade-300-submersible-aquarium-filter](https://www.desertcart.hk/products/372677446-penn-plax-cascade-300-submersible-aquarium-filter)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-23*