The Carlisle 16 inch Sparta® Half Gallon Bottle Brush (4046800) is part of the series known as Sparta Brush. It features a three inch brush with a 16 inch handle. This brush is designed to get down in and clean half-gallon bottles. The Carlisle - 4046800 - 16 inch Sparta® Half Gallon Bottle Brush has bristles that are soft and made out of polyester to avoid scratching containers. It can also handle high temperatures and works great with even the harshest chemicals.