O-RING, FRONT CAP 42; PCHG_372_SCW, Filter Elements Removal of 0.3 micron particulate & 1 micron water droplets PCHG-336 -5 -B PCHG-36-5B PCHG-336-5-V/00-033075 PCHG-536-5-V PCHG-336 0-11761, C-12 * SP611FDK NGGC-336 1122-C-2.25 FT-336-C-5 ?90-347-AN-25? ?12 PCHG-36 FT-336-C-75