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inTank Filtration Cover for Waterbox Cube 20


Item #: 6R9813

Shipped by inTank in 3-5 business days

inTank aquarium-specific designed Filtration Covers hide unsightly equipment and cords around the rear filtration area. This cover is designed with notches to lock onto the false wall and rear glass. It features a knockout in the middle that can be removed without tools so that a lighting goose neck or mount can be installed to the rear of the aquarium.


  • Hides filtration equipment
  • Hides equipment cords
  • Rear of cover is open so cords can be routed without being seen. Top, sides and front are covered
  • Black in color to blend into the aquarium
  • Made of ultra strong and durable ABS plastic
  • Easy to clean and install. Sits onto pf the rear area and locks into glass walls
  • Knockout area can be removed without tools for use with a lighting goose neck or mounting bracket
  • Cover also features knockouts for a cord and to use the inTank AIO Surface Skimmer
  • Made in the USA - CNC laser cut and precision bending assembly method from a single piece


  • Fits Waterbox Cube 20
  • Height = 3-7/16"
  • Length = 17-3/16"
  • Depth = 3-7/8"
  • Light knockout section = 3" x 3/4"
  • Left knockout section = 1-1/4" x 1/2"
  • Right knockout section = 5/16" x 1/2"

Manufacturer information

inTank is here to provide high quality products that will make your hobby experience easier, sustainable and more enjoyable. inTank understands this hobby and wants to help you with products that improve your aquarium. Please feel free to ask any questions you may have, on topic or off, inTank is here to help you along your experience.

5 Stars


Reviewed on
June 10, 2020

Yes, I would recommend this.

Perfect fit

Pros: Good quality

Cons: None

It perfectly fits my Waterbox and hides all the hang-on filters at the back of my tank.

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