Xinyou Hang On Wall Double Sponge Filter Large

Sponge filters provide both mechanical and biological filtration

Provides the ideal location for bacterial colonization.

Does not trap fish fry. Suitable filter when breeding and spawning Discus, Dwarf cichlids, guppies, and killifish.

Max Tank Size: 20 Gallons each filter, 6.5"L x 2.4"W x 9.5" H

Package includes: XY-2822 x 4