Looking to mate your 3x4 downpipe with the SlimLine Downspout Filter or another 3x4 gutter downspout? Our 3x4 to 3x4 Downspout to Downspout Adapter is what you need to use.
The Made in USA injected molded cap will slide over the bottom of your 3x4 gutter downpipe. The rectangular stub will fit INSIDE of the 3x4 downspout pipe below. Not all downspout pipe is exactly the same size/shape.
Available in White