Amerimax Home Products 4620 Extender, Black Diverts damaging rainwater away from your foundation by adding length to your existing Stealth Flow Low Profile Downspout Extension Kit (Model 4600) No digging required! low-profile design can be hidden by covering with mulch, straw, or other landscape cover for an unobtrusive look Snap-together design is easy to install without the use of tools Made from durable resin to withstand the outdoor elements Designed only to be used with the Invisaflow Stealth Flow(R) Low Profile Downspout Extension Kit (Model 4600)