Invisaflow FlexGrate 2 in. W X 4 in. L Black Plastic Downspout Filter

InvisaFlow's flex grate filters leaves and debris, Fits 2 inch x 3 inch, 3 inch x 4 inch or round downspouts with a male type end to join with 4 inch corrugated or PVC pipe.
Works great with rain barrels and rainwater harvesting systems
Easily bends and holds its shape
Prevents drain pipes from becoming clogged