LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 6) The activated carbon in these

The activated carbon in these sponges will absorb any impurities

600/Ultra G Pro 3 filter 2071

These pads are compatible replacement filter pads are made from the same material as the Juwel origionals

Pack include: Blue Coarse Foam x 3

LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 6) The activated carbon in thesePack include: 6pcs foam pads without plastic frame. Custom designed and manufactured for Tetra Whisper 20i & 40i Internal Power Filter, compare to part # 25997. Provide efficient water flow with less clogging for long lasting filtration. Provides both mechanical and biological filtration. Safe, washable and reusable.