US Patent 8123436 Underground infiltration tank module

An underground infiltration tank module comprising a four-sided periphery formed of a top periphery wall, a bottom periphery wall, and two side periphery walls, a plurality of channels running from the top periphery wall to the bottom periphery wall, holes formed in the channels, strut members running between the channels, and stud members located on the periphery walls. Any two of the plurality of channels are separate from each other such that any part of one channel is not in contact with any part of another channel. The channels alternately face in opposite directions.