This television show zippy Trap kit is for installations with unusually gear mechanism wall drainpipes, this is a parcel of land problem in homes built in the 1970s or before. The single placement of the P-traps and the television show configuration of the conciliatory hoses installation of this kit with only if 1 '' -5 '' of space between the penetrate of the sink and the opening of the wall drainpipe. This zippy Trap is with all waste disposals, please see the diagram to ensure that there is a small indefinite amount 2 '' clearance between disposal elbow and wall drainpipe. Not for installations with a dishwasher and without a waste disposal.