There are 3 ways to clean with this Marina Aquarium Brush Cleaning Kit. Clean your hoses, airline tubes, filter tubes or clip on intake stems with this set. The set includes a foxtail brush and airline brush which are ideal for your tubing. Last but not lease it also comes with a filter stem brush is great for cleaning external filter tubes as well as clip-on filter intake stems. Take cleaning your tank seriously as your fish depend on it.