Oatey 30758 Primer, 32-Ounce, Purple Versatile and effective Convenient and easy to use Durable and long lasting Purple-tinted aggressive primer for use on PVC and CPVC pipe and fittings Lo-V.O.C. Primer meets California South Coast Air Quality Management District (SCAQMD) 1168/316A or BAAQMD Method 40 and various environmental requirements Removes surface dirt, grease and grime as well as softens the pipe surface to allow a fast, secure solvent weld For use in areas where plumbing code calls for verification that a primer has been used NSF Listed