Solvent Overflow Tee Requires joint weld Easy to use Permanent join Fitting instructions included Solvent Overflow Tee The most common pipe fitting used to combine or divide the flow of water. These can connect your pipes or change the direction depending on your needs. It is used in drains for a smooth, gradually curving path to reduce the likelihood of clogs, to ease the pushing of a plumber's snake through a drain system and to encourage water flow in the direction of the drain. Features High-Quality fitting that can connect any type of pipes. Each end easily connects your pipes to any type of direction. Heavy-duty compression fitting.