---
product_id: 642371636
title: "Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube)"
brand: "boxtech"
price: "KD 6.14"
currency: KWD
in_stock: true
reviews_count: 13
category: "Boxtech"
url: https://www.desertcart.com.kw/products/642371636-mini-aquarium-sponge-filter-internal-fish-tank-filter-for-5
store_origin: KW
region: Kuwait
---

# Optimizes water clarity & purity Ultra-thin sponge filter Compatible with >1W air pumps Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube)

**Brand:** boxtech
**Price:** KD 6.14
**Availability:** ✅ In Stock

## Summary

> 🐠 Elevate your mini aquarium game with invisible power and pristine water clarity!

## Quick Answers

- **What is this?** Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube) by boxtech
- **How much does it cost?** KD 6.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/642371636-mini-aquarium-sponge-filter-internal-fish-tank-filter-for-5)

## Best For

- boxtech enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Quality:** Highly rated by aquarists for durability and performance—upgrade your tank’s ecosystem today.
- • **Space-Savvy Design:** Ultra-thin and compact, fits discreetly in 5-20L tanks without crowding your aquatic setup.
- • **Customizable Airflow:** Works seamlessly with your choice of air pump (over 1W) to keep bubbles and circulation perfect.
- • **Effortless Maintenance:** Easily disassembles for quick sponge cleaning, ensuring crystal-clear water and healthy fish.
- • **Triple-Action Filtration:** Delivers oxygenation, biological filtration, and water purification for a thriving fish habitat.

## Overview

The boxtech Mini Aquarium Sponge Filter is a compact, ultra-thin internal filter designed for 5-20L fish tanks. It requires a separate air pump (>1W) and air tube to operate, providing essential oxygenation, biological filtration, and water purification. Lightweight and easy to clean, it maintains crystal-clear water while preserving tank space, making it a top choice for small aquarium enthusiasts.

## Description

Free delivery and returns on eligible orders. Buy boxtech Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube) at desertcart UK.

Review: Great product - Amazing product. I am so amazed of this product. I have a small 60L tank and I wanted one extra filter and beside that, it has a air feature. The item is amazing, very good quality and does its job. Small and cute.
Review: Fish Tank Filter - Been using for a while. Works well as a medium for bacteria in fish tak. Water is crystal clear. Only problem is when I put on the bottom of my tank the bubbles stop. Good job I have a bubble maker as well to move the water. My air pump is brand new and can put air through 2 things, so I have no idea why it works when the filter is only submerged a few inches, but not when 12 inches down.

## Features

- 【Purchase Note】This fish tank filter need connect Air pump and Air tube,you need have to buy separately!
- 【Special desgin】Ultra-Thin,Small size, not take up space in fish tank,Compatible air pump wattage >1W （no include Pump）
- 【Main function】Provide Oxygen, Biological filtration and Purified water quality.
- 【Easy disassembled】Please wash this filter sponge regular ,creates a clear healthy home for your fish.
- 【Additional】please use this aquarium filters with air pump,if you have any install question, please feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7NT1Y9X |
| Batteries Included | No |
| Batteries required | No |
| Best Sellers Rank | 9,776 in Pet Supplies ( See Top 100 in Pet Supplies ) 38 in Aquarium Filters |
| Colour | transparent |
| Customer Reviews | 4.0 4.0 out of 5 stars (742) |
| Date First Available | 21 Jun. 2024 |
| Item Weight | 80 g |
| Item model number | BT301 |
| Package Dimensions | 6.7 x 5.8 x 5.6 cm; 80 g |
| Quantity | 1 |
| Specific Uses | Active |

## Images

![Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube) - Image 1](https://m.media-amazon.com/images/I/71MeFKwwTPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by M***C on 19 June 2023*

Amazing product. I am so amazed of this product. I have a small 60L tank and I wanted one extra filter and beside that, it has a air feature. The item is amazing, very good quality and does its job. Small and cute.

### ⭐⭐⭐⭐⭐ Fish Tank Filter
*by C***N on 11 July 2023*

Been using for a while. Works well as a medium for bacteria in fish tak. Water is crystal clear. Only problem is when I put on the bottom of my tank the bubbles stop. Good job I have a bubble maker as well to move the water. My air pump is brand new and can put air through 2 things, so I have no idea why it works when the filter is only submerged a few inches, but not when 12 inches down.

### ⭐⭐⭐⭐ Good bit of kit
*by P***H on 26 April 2022*

For our small tank with just a couple of fish in this is a very good fit. It's easy to clean and use and look good as well.

---

## 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.com.kw/products/642371636-mini-aquarium-sponge-filter-internal-fish-tank-filter-for-5](https://www.desertcart.com.kw/products/642371636-mini-aquarium-sponge-filter-internal-fish-tank-filter-for-5)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-05*