Do it Best blue PVC solvent cement is ideal for irrigation, natural gas pipe and conduit pipe and is designed for wet conditions or when quick pressurization is needed. This medium-bodied, fast-setting cement works on all schedules and classes of PVC pipe and fittings up to 6 in. diameter with interference fit. NSF certified for use in potable water, sewer and drain waste, and vent systems. UPC listed. Meets ASTM D-2564.