GEX - STON Side Flow Filter External Nano Aquarium Filter USB 15L Curved Tank Filter

🏷️ Product Title

GEX STON Side Flow Filter External Nano Aquarium Filter USB 15L Curved Tank Filter

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GEX STON Side Flow Filter

The GEX STON Side Flow Filter is an innovative external filter specially designed for nano aquariums, curved glass tanks, and desktop aquariums. Unlike conventional hang-on filters, STON simply sits beside your aquarium, providing efficient filtration while keeping your aquarium neat and uncluttered. It also features a dedicated compartment to hide aquarium equipment such as heaters, creating a cleaner and more professional-looking setup.

⭐ Key Features

✔ Innovative side-mounted external filter

✔ Compatible with curved and standard glass aquariums

✔ Suitable for freshwater and marine aquariums

✔ Hidden compartment for aquarium heater and accessories

✔ Maximises swimming space inside the aquarium

✔ Quiet, energy-efficient DC USB pump

✔ Adjustable water flow

✔ One-touch filter media replacement

✔ Easy maintenance without getting your hands wet

🌊 Why Choose the STON Side Flow Filter?

Unlike traditional hang-on-back filters, the STON sits neatly beside the aquarium, making it ideal for curved tanks where standard filters cannot be installed. The concealed filter chamber keeps heaters and equipment out of sight, giving your aquarium a clean, minimalist appearance while maintaining excellent filtration.

📏 Specifications

Brand: GEX

Suitable Aquarium Size:

• Up to 15L

Suitable Aquarium Height:

• 16–28cm

Flow Rate:

• 1.7L/min

Power Consumption:

• DC 5V | 1.8W

Current:

• 0.36A

USB Cable Length:

• Approx. 1.6m

Filter Dimensions

Without Stand / LED Cover:

• 8.5 × 21.0 × 27.5cm

With Stand / LED Cover:

• 11.0 × 29.0 × 39.0cm

USB Adapter:

• Not included

• Compatible with DC 5V / 1A USB adapter

🐟 Suitable For

• Betta tanks

• Shrimp tanks

• Nano planted aquariums

• Curved glass aquariums

• Desktop aquariums

• Freshwater aquariums

• Marine aquariums

⚙️ Installation

1. Position the filter beside the aquarium.

2. Insert the intake pipe into the aquarium.

3. Fill the filter chamber with water before starting.

4. Connect to a DC 5V / 1A USB adapter (not included).

5. Adjust the water flow as required.

🧼 Easy Maintenance

• Replace filter media using the one-touch access.

• Clean the impeller and intake pipe regularly.

• Replace the filter cartridge approximately every 2 weeks, depending on aquarium conditions.

📦 Package Includes

• 1 × GEX STON Side Flow Filter

• 1 × Filter Media

🌟 Why Choose GEX?

✔ Trusted Japanese aquarium brand

✔ Innovative space-saving design

✔ Clean and modern appearance

✔ Easy installation and maintenance

✔ Perfect for nano and aquascape aquariums

💡 Perfect for aquarists looking for a premium external filter that works beautifully with curved or nano aquariums while keeping equipment hidden and maintaining a clean, elegant display.