Marina Fluval Brush Kit The Marina Fluval Brush Kit is a 3-piece aquarium cleaning brush set for maintaining filter parts, tubing, impeller areas, intake stems, spray bars, output nozzles, and aquarium décor. Fluval Brush Kit for Filter Maintenance Includes small, medium, and large brushes for different cleaning jobs. Small brush is designed for airline tubing, impellers, impeller wells, covers, and other tight areas. Medium brush is useful for intake stems, strainers, spray bars, AquaStop valves, output nozzles, and décor. Large brush is ideal for flexible, ribbed, or smooth hosing up to 1 in / 2.5 cm diameter. Helps maintain water flow by removing buildup from filter and hose components. Fluval Brush Kit Details Item number: 10683 UPC: 015561106832 Brush sizes: small 1/2 in, medium 1 in, and large 2 in Tool type: aquarium and filter cleaning brush set Use: cleaning filter equipment, hosing, tubing, and hard-to-reach areas Using the Fluval Brush Kit Choose the brush size that best matches the part being cleaned and gently work it through tubing, stems, strainers, or equipment openings. Rinse parts well before returning them to the aquarium or filter system. What's Included Small cleaning brush Medium cleaning brush Large cleaning brush