Replacement Sponge Filter

High density filter sponge, the replacement sponges help increase biological capacity and reduces maintenance, helps keep the fish tank cleaner, recommend to clean the sponges weekly and regularly, needs to be replaced every 5 to 6 months.

Dimensions: 2.4"D x 4.7"H, sponge inner diameter: 0.51inch; aquarium filter original sponges, fits most sponge filters

Simple to assemble: simply insert the replacement sponges into the arms that hold the sponges.

For optimal filter performance, sponge filters should be replaced on a regular basis.