LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 12) Pack include: 12 x Carbon

Pack include: 12 x Carbon pads

Fleece pads for mechanical fine filtering

Custom designed and manufactured for use with FK3

Custom Designed and Manufactured for Juwel Standard / Bioflow 3

Custom designed and manufactured for the Eheim 2008 Pickup filtration systems

LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 12) Pack include: 12 x CarbonPack include: 12pcs 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.