["brand new and high quality\nIntroduction:\nHi,friend,are you annoying when clean the bottom of fish for tank? Or being upset when the drain-pipe is stuck? Don'for t worry anymore,Here comes the \" saviour \" for your fish for tank！\nThis perfect choice will help you decrease much troubles about fish for tank cleaning,such as filtrating the pet excrement and forage leftover of aquarium or fish for tank.And it's suitable for every kind of fish for tank,you can cut any size according to your need.\n\n\nFeatures:\nDurable,Recyclable,good flexibility;\nCultivate nitrobacteria;\nKeep the fish for tank water clean;\nEasy to install,healthy material,non-toxic,odor free;\nHigh porosity and open cell,air flow,effective absorptivity,clean easily;\nInstall everywhere you want it to clean,no matter horizontal or vertical;\nIt can be cleaned easily after washing and effect will not degrade;\n\n\nSpecification:\nProduct Name:Aquarium Filter Foam Biochemical Block Sponge Foam Pads Durable Custom Cut\nS: Thin, M: Thick, L: for Extra Thick (optional)\nMaterial:Foam\nColor:Black\nDimensions: app.50 for cm x 50 for cm x 2 for cm / 19.69 x 19.69 x 0.79 inch\nQuantity: 1 pc\n\nWarm prompt:\n 1.For the reason of manual measurement,it will occur 1-3 for cm error,please ensure that it is okay for you before ordering;\n 2.Because of different monitors and lamplight,the picture may not reflect the actual color of the item,really thank you for your kind understanding!\n 3.Fish for Tank Filter Foam only,other accessories demo in the picture are not included.\n\nPackaging includes:Filter Foam x 1 (without retail package)"]