ADS 6008AGN 8" Nyloplast Add-a-Branch Kit. Nyloplast Add-a-Branch kits are a quick and cost-effective way to connect 4-24” (100-600 mm) diameter lateral pipes to Nyloplast Drain Basins in the field. Using an Add-a-Branch kit provides flexibility during the installation phases of a job site when unknown variables may be expected or encountered. When you have to make field connections, use Nyloplast and Add-a-Branch to save you time and money. Avoid time to knockout precast concrete and time for grouting and curing of concrete. Add a branch installs 3-4 times faster than traditional connection methods.