TMC Reef-Roller Manual MTMC Reef Roller Manual M Advanced manual mechanical roller filter Filters aquarium water down to 50 microns and replaces the need for high maintenance filter bag sock systems Simply wind on the filter roll material when it becomes clogged with detritus and waste Precision engineered from the highest quality materials Compact space saving design allowing easy installation in most sumps 45m long filter roll included Max Flow Rate 3000 L H Max Aquarium