Introducing the Patent Pending LeafCatch Downspout Clean Out fits 3x4 Downspout, no need for an adapter or square to round the end is round for a snug fit in drain. Handmade from durable 0.024 aluminum and finished with baked-on enamel, these clean outs are built to last. Each piece is crafted from a single sheet of aluminum with only one seam in the back, effectively minimizing leaks. Easily attachable to the end of your downspout, our gutter clean outs feature a screen designed to catch debris before it clogs your drain. Elevate your gutters with 31 colors to choose from and paintable!