Tree I.V. Root Seeker | Do It Yourself Package | 4-pk w/Bucket Plugs Includes 4 Root Seeker / Grommet / Bucket Plug sets Deep feed bypasses the surface and soaks root-well with 1/3 the water as bags Install and fill weekly. Water dozens of trees in minutes with hose or portable tank Premium system. Commercial durability / lifetime replacement on quality and defects