Glass Carboy Brush Has A 30" Tip Tuft That Easily Reaches Those Hard To Reach Places In Your Carboy. If You Dry Hop, You Know How Stubborn The Residue Can Be To Remove From Your Carboy. This Carboy Brush Is Specifically Made To Reach Those Places And Get Your Carboy Sparkling Clean, Just Like New. It Is Very Important To Remove Sediment Before Starting A New Batch Which Can Contaminate Your Hard Work Or At Least Flavor Your Beer and Wine Differently Removing Any Chance Of Consistency. Add Carboy Brush To Your Cart And Do The Job Right. This Glass Carboy Brush fits 3, 5, 6, and 6.5 Gallon Carboy.