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

Foam size:90mm x 55mm x 12mm

Custom designed and manufactured for Eheim 2616225 Professional 2222/2224/2322/2324 and Experience 150/250/250T filtration systems

Custom designed and manufactured for Laguna Pressure-Flo 700 UVC Filter

Packing include: 12 pcs poly filter pads

Approx size:150 mm diameter x 30 mm thickness

Pack include: 3 x green fine pads

Change every 2-3 weeks

6 x Polyester pads

Maintain the fountain's flow rate

6 x coarse pads

provides efficient water flow with less clogging for long lasting filtration

Pack include: 12 x foam pads