Weld-On® 700ECO™ is a code compliant, THF-free cement with 30% lower solvent emission rate and significantly reduced odorous fumes than the current solvent cements in the market. This results in an improved workplace environment for pipe installers. The 700ECO is a clear, ultra low VOC, regular bodied, fast setting, maximum strength PVC solvent cement for all classes and schedules of PVC pipe and fittings with interference fit through 4 inches (110 mm) diameter, Schedule 80 up to 2 inches (63 mm).