A hollow tile, usually laid end to end as piping (with open joints) in soil in order to drain water-saturated soil, or used to permit fluid in the hollow-tile pipe to disperse into the ground (as in an absorption field).
A hollow tile, usually laid end to end as piping (with open joints) in soil in order to drain water-saturated soil, or used to permit fluid in the hollow-tile pipe to disperse into the ground (as in an absorption field).