Our Most Popular tile adapters for 2x3" or 3x4" Downspout to 4" drain tile.Black drain tile adapters are compatible with the flexible black plastic drain tile (also known as elephant trunk).

2x3 Opening for Downspout measures 3 1/2" x 2 1/4"

3x4 Opening for Downspout measures 4 1/4" x 3"

Fits 4" Drain Tile