Your dryer has lots of lint that you may not even know about! Lint buildup can be dangerous and potentially cause a fire. Removing lint from your dryer hose and duct periodically will help prevent dryer fires. The Brush’s overall long length of 35 ½ inches makes it easy to clean out the dryer hose in its entirely after removing the hose from the wall. It fits perfectly into the dryer hose and duct cleaning it out in its entirety. The flexible wire brush conforms to irregular shapes as it bends through the hose, while the bristles grab and remove the lint clogs. The polyester bristles have 4” diameter and 5” brush length ensuring thorough cleaning in the folds and kinks in the dryer hose. Durable plastic handle with a handy hang-up hole for easy storage.