---
product_id: 642371636
title: "boxtech Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube)"
brand: "boxtech"
price: "₱1509"
currency: PHP
in_stock: true
reviews_count: 7
category: "Boxtech"
url: https://www.desertcart.ph/products/642371636-boxtech-mini-aquarium-sponge-filter-internal-fish-tank-filter-5
store_origin: PH
region: Philippines
---

# Ultra-thin, space-saving design Efficient biological filtration & oxygenation Compatible with >1W air pumps (not included) boxtech Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube)

**Brand:** boxtech
**Price:** ₱1509
**Availability:** ✅ In Stock

## Summary

> 🐠 Clear water, happy fish, zero clutter!

## Quick Answers

- **What is this?** boxtech 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?** ₱1509 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/642371636-boxtech-mini-aquarium-sponge-filter-internal-fish-tank-filter-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

- • **Breathe Easy:** Boosts oxygen levels while purifying water for a thriving aquatic environment.
- • **Trusted Clarity:** Proven to clear murky water fast—perfect for cycling shrimp jars and small aquatic habitats.
- • **Customizable Flow:** Works seamlessly with your choice of air pump for tailored filtration power.
- • **Compact Powerhouse:** Sleek, ultra-thin filter fits discreetly in 5-20L tanks without sacrificing performance.
- • **Effortless Maintenance:** Quick disassembly and washable sponge keep your tank crystal clear with minimal hassle.

## 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 efficient biological filtration and oxygenation. Easy to disassemble and clean, it maintains water clarity and a healthy environment for small aquatic pets, making it ideal for shrimp jars and small tanks.

## 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: Works surprisingly well - Used this to cycle my shrimp jar and was surprised how well it works; within 24hrs it had cleared all the brown water from the jar (tannins from the driftwood). Nice and quiet. Only downside it that I wasn’t able to reduce the amount of bubbles with the tool provided; it’s all or nothing
Review: Not suitable for goldfish fry as advertised - I lost goldfish fry into to the filter so it’s not suitable

## 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 | 11,501 in Pet Supplies ( See Top 100 in Pet Supplies ) 48 in Aquarium Filters |
| Colour | transparent |
| Customer Reviews | 3.6 3.6 out of 5 stars (42) |
| 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

![boxtech 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)
![boxtech Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube) - Image 2](https://m.media-amazon.com/images/I/61YQoCVxyoL.jpg)
![boxtech Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube) - Image 3](https://m.media-amazon.com/images/I/61WCQKTlQ6L.jpg)
![boxtech Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube) - Image 4](https://m.media-amazon.com/images/I/61F9I4RrqUL.jpg)
![boxtech Mini Aquarium Sponge Filter，Internal Fish Tank Filter for 5-20L Fish Tank (No Include Pump and Tube) - Image 5](https://m.media-amazon.com/images/I/61rOkJlgFrL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐ Works surprisingly well
*by S***H on 18 January 2026*

Used this to cycle my shrimp jar and was surprised how well it works; within 24hrs it had cleared all the brown water from the jar (tannins from the driftwood). Nice and quiet. Only downside it that I wasn’t able to reduce the amount of bubbles with the tool provided; it’s all or nothing

### ⭐ Not suitable for goldfish fry as advertised
*by H***S on 23 March 2026*

I lost goldfish fry into to the filter so it’s not suitable

### ⭐⭐⭐⭐⭐ Review
*by J***L on 10 May 2025*

👍👍

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**Shop now:** [https://www.desertcart.ph/products/642371636-boxtech-mini-aquarium-sponge-filter-internal-fish-tank-filter-5](https://www.desertcart.ph/products/642371636-boxtech-mini-aquarium-sponge-filter-internal-fish-tank-filter-5)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-03-31*