Tetra Whisper In-Tank Filter 20i with BioScrubber for 10-20 gallon aquariums (25817) 033805905850 Dimensions: 61 X 38

Dimensions: 61 X 38

Covers gaps up to 1/2" wide

On the one hand

- Size: 3/4" S X 3/4" S

Package Dimension: L59" W6" H45" (Weight: 45 LB)

Tetra Whisper In-Tank Filter 20i with BioScrubber for 10-20 gallon aquariums (25817) 033805905850 Dimensions: 61 X 38Designed for Use in aquariums up to 20 Gallons Uses large Bio Bag filter cartridges Install with a hanger and suction cup or two suction cups depending on desired placement Remove bottom to access impeller for proper cleaning For aquariums and terrariums For the ultimate in convenience and quiet, choose a Whisper In Tank Filter. These filters mount on the inside of the aquarium, rather than hanging from the outside making it possible to place the tank