biOrb RF4012NET First Impressions

Works like a charm.

You get what you pay for but i had to work on it a lot. The foam is not coarse as illustrated; it's finer and denser. Also work great as filler for canisters and other filters. So stock your tanks a few fish at a time. Fun to modify your filter and clean tank as well. For obvious reasons, don't put them directly above or below a tank. Does the job and price was less or at least same as big retailers.

  • Editor's Impressions Of The biOrb RF4012NET
  • Build Quality
  • Value For Money
  • Feature Set

biOrb RF4012NET Final Thoughts

Easy to handle.

It comes with the filter bag, bag frame, and charcoal media all separate. I double the size and fold them and put the bagged carbon between the layers. And provide a few low current areas in the tank for fish who are stressed to rest. I use two layers of floss before the water goes to and through my chemical media. I even used some in my Fluval 206 canister filter on my freshwater tank. I have a Top Fin 10 power filter and these cartridges fit perfectly. I will always buy these here on Amazon for the price savings.

Overall Score

(2087 Points)
  • biOrb RF4012NET Features & Specs
  • A true “one size fits all” filter for the biOrb aquariums
  • Includes acrylic safe cleaning pad to remove algae with ease
  • All natural, non-toxic water treatments included
  • Change every four to eight weeks
  • Full instructions included
  • Manufacture: biOrb
  • Product Dimensions: 4.75 x 1.77 x 7.5 inches; 3.53 Ounces

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