---
product_id: 652375319
title: "3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds."
brand: "generic"
price: "1685 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Generic"
url: https://www.desertcart.dk/products/652375319-3-layer-fish-tank-filter-box-aquarium-filtration-circulation-system
store_origin: DK
region: Denmark
---

# transparent observation window 3-layer filtration system adjustable dual water flow valves 3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds.

**Brand:** generic
**Price:** 1685 kr
**Availability:** ✅ In Stock

## Summary

> 🐠 Elevate your aquarium game with next-level filtration clarity!

## Quick Answers

- **What is this?** 3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds. by generic
- **How much does it cost?** 1685 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/652375319-3-layer-fish-tank-filter-box-aquarium-filtration-circulation-system)

## Best For

- generic enthusiasts

## Why This Product

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

## Key Features

- • **Generous Capacity:** Holds 20L filter media, perfect for 20-70 gallon tanks & small ponds
- • **Custom Flow Control:** Dual inlet/outlet valves for precise water circulation adjustment
- • **See the Cleanliness:** Transparent window lets you monitor filter status at a glance
- • **Built to Last Outdoors:** Durable, heat & corrosion-resistant plastic shell for ponds & tanks
- • **Triple-Action Purification:** Physical, biochemical & microbial filtration for crystal-clear water

## Overview

The 3-Layer Fish Tank Filter Box by BT Sunshine is a robust filtration system designed for 20-70 gallon aquariums and small fish ponds. Featuring a triple-layer filtration setup—physical, biochemical, and microbial—it ensures superior water purity. Its transparent window offers real-time filter monitoring, while durable, corrosion-resistant materials guarantee longevity even outdoors. Adjustable dual valves provide customizable water flow, making it an essential upgrade for any serious fish keeper.

## Description

desertcart.com : 3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds. : Pet Supplies

Review: Fish keeper - Be mindful of the spigots, operators mishap, after cleaning to avoid overflow. Otherwise works great!!!
Review: Sumamente funcional

## Features

- [Note] The aquarium filter box only has boxes, excluding power systems such as pumps. [Product Features] The fish tank filter box adopts a three-layer filtration system, which can place filter cotton, filter material, and nitrifying bacteria nest. They can carry out physical filtration, biochemical filtration, and microbial culture respectively. So as to efficiently purify water and ensure that your fish live in clear and simple water
- [Visual window] You can observe the cleaning level of the filter box through the transparent pipe window, so as to consider whether the filter material needs to be replaced
- [Product material] The fish tank filter box has a high-quality plastic shell, which is resistant to high temperature and corrosion. You can use it on an outdoor small fish pond without worrying about the service life of the product.
- [Adjustable water flow design]: This aquarium filter provides two convenient ways to adjust the water flow, Which can control both the valve of the filter inlet pipe and the valve of the outlet pipe, Making it easy to control the water flow to meet different needs.
- [Large capacity] The size of the fish tank filter box is 13.5 * 12.5 * 8.5 inches, which can accommodate 20L of filter material. Suitable for 20-70Gal aquariums, it is the preferred aquarium filter box for large fish tanks, small fish ponds, and turtle tanks. The product includes: 3-layer aquarium filter box * 1, water inlet pipe * 1, water outlet pipe * 2, rain shower pipe * 1.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DCVKZBHV |
| ASIN  | B0DCVKZBHV |
| Age Range Description | Adult |
| Best Sellers Rank | #126,134 in Pet Supplies ( See Top 100 in Pet Supplies ) #2,248 in Aquarium Filter Accessories |
| Brand Name | Generic |
| Color | Grey |
| Customer Reviews | 4.3 4.3 out of 5 stars (21) |
| Date First Available | August 12, 2024 |
| Date First Available  | August 12, 2024 |
| Directions | Recommended for adults |
| Included Components | Filter box * 1 |
| Item Dimensions LxWxH | 12.6 x 8.3 x 13.8 inches |
| Item Package Dimensions L x W x H | 14 x 12.75 x 8.5 inches |
| Item Weight | 3.85 Pounds |
| Item model number | 3-Layer |
| Item model number  | 3-Layer |
| Manufacturer | BT Sunshine |
| Manufacturer  | BT Sunshine |
| Model Name | GLQ |
| Product Dimensions  | 12.6 x 8.3 x 13.8 inches; 3.85 Pounds |
| Specific Uses for Product | Indoor |
| Warranty Description | 30 Day |

## Images

![3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds. - Image 1](https://m.media-amazon.com/images/I/71Jy9lqpdtL.jpg)
![3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds. - Image 2](https://m.media-amazon.com/images/I/71veu3p0boL.jpg)
![3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds. - Image 3](https://m.media-amazon.com/images/I/71DrZE1HiQL.jpg)
![3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds. - Image 4](https://m.media-amazon.com/images/I/61lrtABXrZL.jpg)
![3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds. - Image 5](https://m.media-amazon.com/images/I/61xsbnSdaXL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fish keeper
*by K***K on October 13, 2025*

Be mindful of the spigots, operators mishap, after cleaning to avoid overflow. Otherwise works great!!!

### ⭐⭐⭐⭐⭐ Review
*by D***S on October 26, 2025*

Sumamente funcional

### ⭐⭐⭐ It’s a OK Filter
*by H***G on October 26, 2025*

This 3 layer aquarium filter is really worth for the price and the results are very good. The problem is most connectors for the hose will slowly leak water. I have to use pvc cement to fix it and do some upgrades.

## Frequently Bought Together

- 3-Layer Fish Tank Filter Box, Aquarium Filtration Circulation System for 20-70Gal Tank, Suitable for Fish Tanks and Small Fish Ponds.
- GROWNEER 550GPH Submersible Pump 30W Ultra Quiet Fountain Water Pump, 2000L/H, with 7.2ft High Lift, 3 Nozzles for Aquarium, Fish Tank, Pond, Hydroponics, Statuary Black

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-10*