Designed for Waterbox aquarium systems, this 225-micron mesh filter sock maintains pristine water clarity by efficiently trapping suspended particles and detritus. The durable, washable construction supports multiple cleaning cycles, reducing waste while delivering reliable filtration performance. Measuring 2.75" diameter by 10" length, it's compatible with Waterbox Cube (10, 20), Peninsula (15, 20), and AIO (25, 30, 40, 50) models. Choose the 225-micron density for balanced mechanical filtration across a range of aquarium setups.