Complete drainage system is easy to install and allows maximum flexibility in solving your drainage requirements around the home or light commercial applications. The systems design allows maximum flexibility in length of channels, corners and intersections. You can connect storm drain to mole-pipe or 4" Stormwater pipes with bottom or end outlet, inline collection pit, and prevent leaves or other debris clogging pipes or waterways with the leaf guard. preformed 4". Outlets allow easy multiple connection of mole-pipe female adaptor or 4" PVC pipe (using PVC glue). Fast and easy connection to storm drain channels. 1-year warranty.