LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 12) Each package contains 6 heavy

Each package contains 6 heavy duty floor bonnets

compares to Hoover Part # 305687002

If your Filter is Approximately 12" x 3"

Suitable for all kinds of surfaces and leaves no scratches

- Replaces OEM#: 911236-01

LTWHOME Bio Foam Filter Pad Fit for Tetra 25997 Grid in Tank 20 Internal Filter (Pack of 12) Each package contains 6 heavyPack 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.