Liberty 75 HOB Power Filter - Eheim

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Perfect for Pico, Nano, and Quarantine tanks

Hang On Back (HOB) power filters work great on simple systems that do not have a sump for filtration. The Eheim Liberty HOB filters have a very simple and effective design that directs water through a mechanical filter sponge while employing a secondary sponge for that helps promote biological filtration.

  • Hang On Tank
  • Flow Control
  • Comes with Carbon Pad
  • Comes with Biological Pad
  • Low Power Consumption
  • Easy to Clean


Recommended for Aquariums 5 gallons to 30 gallons


Eheim Liberty Power Filters use a very simple and effective design that is perfect for saltwater and freshwater aquarium filtration. Hang On Back (HOB) filters are most commonly used on smaller tanks that cannot have a sump added or temporary tanks like quarantine or hospital tanks. The Liberty filters can be set up in seconds by hanging them onto your tanks vertical wall. HOB filters will also add flow to your tank encouraging gas exchange and helping suspend detritus for removal.


Each Liberty 75 Power Filter includes an activated carbon pad that will trap large particles, along with microscopic particulates and organics. They also use a secondary filter pad that allows passive water contact for nitrifying bacterial growth and encouraging other biological filtration functions.



  • Dimensions - 4.133" L x 5.31" W x 7.08" H
  • Power - 2.5W @ 120VAC
  • Min Clearence Behind Tank - 3.25"
  • Max Rim Width - 1.00"


 Owners Manual


What's Included?

  • Liberty 75 Filter Assembly
  • Carbon Sponge Filter
  • Passive Sponge Filter
  • Liberty 75 Lid
  • Liberty 75 Intake Assembly


Note: Eheim Liberty filter systems must be primed before powering on. Fill the filter chamber with aquarium water until it is full. Then plug in the filter and it should start to pull water into the filter chamber through the intake. It may take a few minutes for it to fully prime and reach max flow.

More Information
Product Name Liberty 75 HOB Power Filter - Eheim
SKU 210370
UPC 720686201040
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