Red Sea ReefMat 500 Replacement Fleece (92') Roll - Red Sea $19.99 Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish.com/hardware/reefmat/installation-options/ ReefMat 500 Length: 92' Width: 4.4" Add to Cart