Red Sea ReefMat Nano Fleece-Roll 2PkKeep your aquarium water crystal clear with the Red Sea ReefMat Nano Fleece-Roll 2-Pack. Specifically designed for the ReefMat Nano, these high-performance replacement rolls ensure optimal filtration and effortless maintenance for your reef system. Each roll is made from non-woven polyester, offering efficient, high-flow filtration thats skimmer-friendly and ideal for maintaining water clarity over extended periods. The easy-change design means you can replace rolls without turning off your pumps or removing the filter from the sump – keeping things hassle-free. Features: Designed exclusively for use with the ReefMat Nano Roll length: 18m Width: 5.5cm Material: Non-woven polyester fleece Pack includes: 2 replacement rolls Perfect for reef hobbyists who want a clean, healthy tank with minimal upkeep.