The Gardus Replacement Bullet Whip Head with Line for SootEater Chimney Liner is designed to replace a worn bullet whip head and lines in the SootEater SLK Series Rotary Chimney Cleaning Systems. The unique trim-to-fit chimney whip design cleans 5 in. to 9 in. diameter flue sizes, removes dangerous soot and creosote buildup better than a wire brush, won't scratch metal flues, and is flexible enough to navigate through tight areas. Help prevent flue fires and save money while doing so with this durable bullet whip head. It's easy when cleaning with Gardus power!