Downspout extensions pvc vinyl color=brown Flexible tube easily attaches to the downspout with sheet metal screws (not included). Can be bent into the desired water flow direction, or can be buried out of sight. Retains shape. Fits 2 inches x 3 inches or 3 inches x 4 inches downspouts. Expands from 22 inches to 55 inches, to get water further away from the foundation. Two or more sections can be snapped together to get longer lengths.