The Lixit Bottle Cleaning Brush keeps bottles clean & algae free. The extra long handle helps reach the deepest bottles and the small brush helps to clean tubes and caps. Great for cleaning critter tubes and modular changes. Extra long flexible handle for all sizes of water bottles Brush for tube cleaning in handle of brush Designed to clean any type of water bottle Keep bottle clean & Algae free Small brush for cleaning tubes & caps Great for cleaning critter tubes and modular