Amerimax Home Products 4600 Downspout Extension, Black Diverts damaging rainwater away from your foundation No digging required! low-profile design can be hidden by covering with mulch, straw, or other landscape cover for an unobtrusive look Compatible with all standard residential downspouts (2"x3" & 3"x4") Made from durable resin to withstand the outdoor elements Available 28 inch extension adds length where needed (see 4600 4600) - designed only to be used with this extension