Condition: 100% Brand New <br>Item Type: Aquarium Filter Cotton <br>Material: Sponge <br>Color: Black <br>Suitable for: Quicksand Filter <br>Quantity: 1PCS <br>Optional Diameter: Approx. 120mm, 150mm, 200mm, 250mm <br>Diameter: Approx. <br> <br>120mm/4.72inch(Suitable for FBF900 Quicksand Filter) <br>150mm/5.91inch(Suitable for FBF1600 Quicksand Filter) <br>200mm/7.87inch(Suitable for FBF2700，FBF5400 Quicksand Filter) <br>250mm/9.84inch(Suitable for FBF10800 Quicksand Filter)<br>1、Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria. <br>2、Made of high quality sponge material, large thickness, durable and long service life. <br>3、Multiple sizes, so you have more choices, choose the most suitable one. <br>4、Reduce waste water deposition and filter core flow attenuation. <br>5、Suitable for quicksand filter, excellent water permeability, dense shape makes it effective to avoid residue.Using suggestion: <br>1. The quicksand filter is equipped with two separate sponges <br>2. When used, sponge body should be used to separate the internal medium (such as quartz sand, etc.) from the bottom acrylic plate to extend the service life of the equipment <br>3. Please regularly check the use of spongy body, if worn thin please replace1 x&nbsp;&nbsp;Aquarium Filter Cotton