Plastic pall ring Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE Size: 5/8", 1", 1.5", 2", 3" ... Use as tower packing Plastic pall ring:PE pall ring, PP pall ring, RPP pall ring ... chloride (PVC), chloridized polyvinyl chloride (CPVC) and polyvinylidene flouride (PVDF).Size: 5/8" (16mm); 1" (25mm); 1.1/2" ... Φ7676×76×2.6730.9294193060 Plastic pall ring for mass transfer