Reef Factory's Smart Roller Small effortlessly maintains crystal clear water by automatically removing particles, eliminating the need for filter socks. It lasts up to 1.5 months and comes in three sizes with a basket for additional filtration media. Use the Reef Factory app to control and monitor the Smart roller, including setting the length of fleece to roll, turning it on or off, and receiving alerts for jams. Easy to maintain, it can be installed directly in the sump or hung from the edge with the included bracket. The inlet connection size is 40mm, with a maximum flow rate of 1320 GPH for recommended tank sizes up to 132 gallons. The compact design measures 5.5" L x 5" W x 21.5" H and includes a power supply and media baskets. Reef Factory also offers other Smart products for a comprehensive and intelligent marine aquarium management system.