Pentair R111358 907 Aluminum Back Blended Curved Brush with Stainless Steel and Nylon Bristles, 18-Inch UV stabilized stainless steel and nylon bristles Snap-adapt handle fits most poles Aluminum back brushes with strong die cast aluminum back Measures 6-1/2-inch length by 19-1/2-inch height by 19-1/2-inch width