A purple-tinted aggressive primer recommended for use on PVC and CPVC pipe and fittings, all Schedules and diameters. Formulated to remove surface dirt, grease and grime as well as soften the pipe surface to allow for a fast, secure and permanent solvent weld. For use in areas where the code calls for verification that a primer has been used. Recommended for all PVC and CPVC installations. NSF listed.