*The Marina Aquarium Brush Cleaning Kit contains a trio of cleaning brushes， varying in size to suit many aquarium needs.

*The airline brush is uniquely sized and designed to fit standard airline tubing.

*The foxtail brush is ideal for cleaning larger tubes up to a diameter of 2.5 cm and 45 cm in length.

*And finally the filter stem brush is perfect for cleaning external filter tubes as well as clip-on filter intake stems.