Multi Media Filter MF-800B - Reef Octopus

Reef Octopus - Multi Media Filter MF-800B 

The Reef Octopus Multi Media Filter MF-800B is designed to be used with the new media Bio-Spheres to achieve the purpose of eliminating phosphates, nitrates and to purify the water in aquariums.

The Multi Media Reactor can also be used as a carbon or phosphate remover depending on what type of media is used.


  • Completely configured and ready to be used
  • Properly matched pump included to ensure the effective use of multiple media types
  • Can be used externally as a hang-on filter, or internally in an aquarium sump
  • Multiple attachments make placing this filter virtually anywhere extremely easy.
  • Double grid plats and sponge ensure that media doesn't escape and plug the pipes.
  • Convenient connectors fasten quickly and ensure no water leakage.


  • Reactor Base (Footprint): 5.5' x 5.5"
  • Reaction Chamber Diameter: 4"
  • Height: 19.9"
  • Pump Included: OTP800 running at 28 watts with a maximum flow of 420GPH
  • Suitable for aquariums up to 300 gallons
  • Comes complete with reactor, pump, and all necessary fittings.
  • Capable of hanging over aquarium edges as large as 1"