+ PLS-870 EXPANDED PACKING (NA) GRAPHITE + PLS-870R EXPANDED GRAPHI- TE WITH INCONELWIRE INSERTED(NA) + PLS-870C GRAPHTE WITH CARBON FIBER INSERTED(NA) + EXPANDED GRAPHITE YARNS + PLS-850F KEVLAR FIBER PACKING(NA) + PLS-820 CARBONIZED FIBER PACKING(NA) + PLS-880 CARBON WITH GRAPHITE PACKING(NA) + PLS-880F PURE CARBON FIBER WITH PTFE PACKING(NA)