Getting tired of getting clogging for your home sink drain? Or wanna a fresh environment for your fish turtle tank tubes? This brush tool set is a must Clean small diameter pipes, remove the gunk hair when they run into the tubing. Ideal for all aquarium filter, fish tank, lily pipe, shower sink drain cleaning. Designed with rotating bristles pipe brush, stainless steel material，flex two-end long brush makes cleaning easier. Great at cleaning around the stopper and will reach the u bend with no problems. Brush Diameter: 1.5cm - 3.0cm.