Keep leaves and debris out of your rain barrel with this Quattro Twist Downspout Filter - Brown. It filters out leaves and debris with a removable internal sieve. This filter features a patented 90º swivel, which allows you to install the rain saver at any angle from your downspout. It will work with both square and oval gutters. When using this filter you will recieve a high water yield. Recommended for roof surfaces up to 875 sqaure feet.The Quattro Twist will work with either rectangle or oval downspouts.