Oatey PVC Medium Clear Cement is a medium-bodied clear cement for use on all schedules and classes of PVC pipe and fittings up to 6� diameter with interference fit. Oatey sells only low-VOC solvent cements, which means they are compliant with the South Coast Air Quality Management District (SCAQMD) Rule 1168. Plus they meet AS, NSF and UPC standards for a wide variety of applications.