JBJ Aquarium – REACTION Hang-On-Back (HOB) Power Filters

Available in 5G and 20G Models

Maintain crystal-clear water and support a thriving aquatic environment with the JBJ REACTION Power Filter Series—a compact, hang-on-back (HOB) filtration system designed for tanks up to 5 gallons and 20 gallons. Whether you're setting up a nano betta tank or a peaceful 20-gallon community aquarium, these filters deliver powerful 3-stage filtration in a small, easy-to-install package.

Key Features:

• 3-Stage Filtration: Includes mechanical, chemical, and biological filtration for clear, healthy water.

• Easy Setup & Maintenance: Hang-on-back design with quick cartridge access for stress-free filter changes.

• Quiet Operation: Designed to run smoothly and silently, ideal for bedrooms, offices, and peaceful living spaces.

• Slim Profile: Saves space behind your tank without compromising performance.

• Adjustable Flow Control: Dial in the perfect water movement for your specific tank needs.

Model Options & Specs:

Why We Recommend It:

• Perfect for Beginners & Pros Alike – Simple installation and maintenance.
• Great for Compact Spaces – Powerful filtering in a minimal footprint.
• Helps Reduce Ammonia & Odors – Improves water clarity and health.
• Aquarium Safe Materials – Built for freshwater or saltwater use.

Keep your aquatic life safe and sound with JBJ’s trusted REACTION filter series. Choose the right size for your tank and enjoy cleaner, clearer water with less hassle.