HF-M Hang-On-Back Multi Filter with Protein Skimmer (OPEN BOX)

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Complete hang-on saltwater aquarium filtration system for up to 60 gallons. Great for reef tanks or fish-only tanks!

The AquaMaxx HF-M filtration system is designed to be the complete filtration system for your saltwater fish or reef aquarium. The simple hang-on back design allows you to hang the filtration system on any aquarium ranging from 20 gallons to 60 gallons. The HF-M is also designed to be customizable so you can add additional chemical, biological or mechanical filtration to match the requirements for your aquarium.



  • Convenient hang-on design
  • Efficient protein skimmer built-in
  • Easy to access, drop-in media cartridge
  • Spacious customizable filtration chamber
  • Probe Holders x 3
  • Dosing Tube Holders x 3
  • Cord/tubing management cut-outs on lid

The AquaMaxx HF-M includes an efficient protein skimmer. Using the same Shark 1.0 needlewheel pump (modified Italian-Made Sicce) as the popular HOB-1, the HM-F efficiently removes dirty protein from your aquarium before it breaks down into ammonia, nitrate and phosphates.

After the protein skimmer stage, water then passes through a second filtration stage. A filtration cartridge is included and can be filled with mechanical media (such as filter floss), biological media (such as ceramic rings or SeaChem Matrix) or chemical media (such as activated carbon).

Water then passes though a third and final chamber where additional filters can be added. The third chamber of the HF-M is designed to accommodate up to two AquaMaxx FR-S media reactors (sold separately): which can be used for carbon and/or GFO. If additional chemical filtration is not required, the chambers can be used as a refugium for additional nutrient reduction and to culture live foods for your reef aquarium.

The HF-M also features a built-in probe holder (for up to 3 probes), a dosing tube holder and cut-outs on the lid to run your cords and tubes though. The well-throughout design eliminates all the clutter and keeps your aquarium looking clean and sleek.


  • Filtration rating: 60 Gallons (light bioload) or 20 Gallons (heavy bioload)
  • Housing dimensions: 17.25" L x 3.94" W x 14.18" H (excluding collection cup)
  • Refugium section dimensions w/o media cartridge: 10" L x 3.5" W x 11.5" H
    • with media cartridge: 7" L x 3.5" W x 11.5" H
  • Media cartridge dimensions: 3.125" OD x 9.75" H
    •  Cartridge top brace: 3.5" L x 3.25" W
  • Fits probes: 1 x 0.625" Diameter and 2 x 0.5" Diameter
  • Fits tank rims: up to .75"
  • Wall clearance required: 4"
  • Requires approximately 5.5" of clearance to remove collection cup
  • Pump(included): Shark 1.0 (modified Sicce Pump)
  • Pump power consumption: 11 Watts



No sump, no space? No problem! These hang on back skimmers are the perfect solution for any aquarium. Proven and reliable, these hang on back skimmers continue to impress with their high quality Italian made pumps.




Footprint (In.) 7.5" x 3.5" 17.25" x 3.94" 8.75" x 5.5"
Height (In.) 17" 14.18" 20"
Motor Shark 1.0* Shark 1.0* Shark 1.5*
Gallon Rating Light Bio-Load: Up to 75g Up to 60g Up to 175g
Medium Bio-Load: ~60g ~40g ~130g
Heavy Bio-Load: Up to 40g Up to 20g Up to 90g


Built small and tough as their full-size counterparts. Equipped with Italian made pumps, they skim the heck out of nano aquariums and are quiet. They're definitely not toy skimmers.



Footprint (In.) 2.76" x 4.15" 5.9" x 3.2"
Height (In.) 13.39" 14"
Motor Shark Nano* Shark 1.0*
Gallon Rating Light Bio-Load: Up to 30g Up to 65g
Medium Bio-Load: ~25g ~50g
Heavy Bio-Load: Up to 20g Up to 30g

*Denotes Modified Italian made Sicce Syncra pump

More Information
Manuals Instruction Manual
Pump Included Yes
Pump Rotor Type Needlewheel
Included Mounting Hang On/Bracket
Max Tank Thickness 3/4 in.
Power Consumption 11 Watts
Skimmer Type Hang On Back
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