LTWHOME 18 Inch x 12 x 1.18 DIY Polyester Fine Filter Pad for Aquarium Pond (Pack of 3) The bio sponge filters optimize

The bio sponge filters optimize the colonization of beneficial aerobic bacterias which keeps the water fresh and clean to provide a better quality of living for your fish

Blue foam side captures large particles

0 Filtration Systems

Traps any large particles and debris in the water before they reach the pump

Custom designed and manufactured for the Fluval U4 Filtration Systems

LTWHOME 18 Inch x 12 x 1.18 DIY Polyester Fine Filter Pad for Aquarium Pond (Pack of 3) The bio sponge filters optimizePacking include: 3pcs foam filter Size: 460x300x30mm 18"x12"x1. 18" Change every 3 4 weeks Provides efficient water flow with less clogging for long lasting filtration Enhances biological filtration