Red Sea ReefMat 250

The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time.
Designed with the hobbyist in mind, the ReefMat features an easy fleece-mat replacement system that allows you to switch rolls without having to remove the filter from the sump or turn off the pumps.

Info:

Recommended for systems up to - 66 Gallons

Max. flow capacity per hour - 900 Gallons

Fleece-mat width - 3.2"

Fleece-mat length - 105'

Dimensions - 6.3" x 7.9" x 19.3"