Carlon ® PVC Conduit repair system significantly reduces the time and money associated with repairing broken PVC conduits ''stub-ups'' in concrete slabs. The system is a line of couplings, adapters, reamers and plugs designed to allow contractors to quickly and easily repair broken PVC conduits without having to chip away and repour concrete, while still maintaining the inside diameter of the conduit. Simply cut off the broken conduit; ream the I.D. of the conduit; and insert a coupling or adapter. cULus Listed. Nonmetallic couplings, adapters and plugs won’t rust or corrode. Available in sizes 1/2 in. through 2 in.