LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 12) This filter pads is custom

This filter pads is custom designed and manufactured for Danner Pondmaster 190 - 12195

Dirt Devil UD20020DI HEPA Filter

compares to Hoover Part # 305687002

Packing include: 12pcs blue coarse filters

LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 12) This filter pads is customPack 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.