Coco*Store Ful Sizes Aquarium Fish Tank Algae Tube Cleanner Brush Filter Pipe Hose Set Material : Metal, Plastic Size :34 x 2cm/13.3 x 0.78" (L*W),-5.5x 2cm/2.1" x 0.78" (L*W) The brush cleaning kit is ideal for removing slime build-up inside most filter impeller wells. Compact in size they will work on any filter. They are also great for removing algae from a filter's intake stem. Package Content : 5 x Aquarium Brush