Weldon 10167 Aqua Blue 725 Medium-Bodied Wet 'R Dry Pvc Professional Industrial-Grade Cement Extremely Fast-Setting Low-Voc, 1/2 pint, Aqua Blue Medium-bodied, extremely fast-setting, low-VOC PVC cement for all classes and schedules with interference fit through 6" (160 mm) diameter, schedule 80 through 4" (110 mm) diameter Premium formula for wet conditions and/or quick pressurization Suitable for irrigation, plumbing, and pool & spa applications Can be used without primer on non-pressure systems if local codes permit