JBJ U.S.A. Reaction HOB Aquarium Power Filter

The JBJ U.S.A. Reaction HOB Aquarium Power Filter is a compact, efficient hang on back filtration system designed for freshwater, planted, and nano aquariums. Its low profile design keeps your display clean while providing consistent water movement and reliable filtration for a balanced aquarium.

This all in one unit combines mechanical, biological, and chemical filtration in a simple, easy to maintain format. With an adjustable flow rate and dual intake system, it adapts well to a wide range of aquarium setups, from shrimp tanks to community fish systems.

What We Love About This Filter

Clean Hang On Back Design
Keeps equipment out of the tank so your aquascape stays the focus.

Multi Stage Filtration
Includes sponge, carbon, and ceramic media to support a balanced filtration system.

Adjustable Flow Control
Easily fine tune water movement for delicate fish, shrimp, or higher flow setups.

Surface Skimmer Intake
Helps remove surface film and improve gas exchange at the water’s surface.

Shrimp and Nano Friendly
Prefilter sponge helps reduce the risk of small livestock being pulled into the intake.

Available Variants

HB-05
Ideal for nano aquariums up to 5 gallons. A great fit for shrimp tanks, bettas, and small planted setups where gentle, controlled flow matters.

HB-15
Designed for aquariums up to 20 gallons. Perfect for nano community fish, planted tanks, and balanced freshwater systems.

HB-35
Recommended for aquariums up to 40 gallons. A strong option for medium community tanks that need consistent flow without overwhelming the aquascape.

HB-55
Built for aquariums up to 50 gallons. Best suited for larger community setups where reliable filtration and surface movement help maintain a stable environment.

Best For

Freshwater aquariums, planted tanks, shrimp tanks, nano fish, bettas, guppies, and general community setups where a compact external filter is preferred.

Quick Notes

Flow rate is adjustable depending on setup and media load.
Surface skimmer attachment can be used or removed depending on preference.
Filter media can be customized to match your aquarium needs.

Shipping

This item ships separately when needed and will typically ship via standard ground service. This item ships from Los Angeles UPS Ground / Ships separate from anything alive.

Instruction Manuals for these Filters: 

HB-05 Quick Guide 

HB-15, HB-45, HB-55 Quick Guide