Tranqun 24 Pcs Fine Filter Water Polishing Pad Compatible with Fluval Fx4, Fx5, Fx6 7 x 7 x 1.38 Inches White Filter Media Canister Aquarium Water Polishing PadsBrand: Tranqun Color: Polyester White Features: Material and Size: made of micro fine polyester pads; Sized about 7 x 7 x 1. 38 Inches 18 x 18 x 3. 5 cm, they effectively clear out waste particles and impurities to provide your aquatic pets a clean, healthy environment Compatibility: our product is designed to be compatible with Fx4, Fx5, Fx6 filters, our water polishing pad can the ideal results for your aquarium's inhabitants Package: we've included