Description Ordering No. 1. Head harness SR 363, single strap R01-2001 2. Head harness SR 362, cradle strap R01-2002 3. Chemical Cartridge (SR 218-6 OV, SR 231 CL/HC/SD/FM, SR 232 OV/SD/CL/HC/HF, SR 229 AM/MA) - 4. Particulate Filter P100, SR 510 H02-1321 5. Pre-filter SR 221 H02-0121 6. Spark Arrester SR 336 T01-2001 7. Pre-filter holder SR 5153 R01-0604 8. Fit check disc SR 322 R01-0303 9. Membrane kit R01-2004 9a. Exhalation x2 - 9b. Valve covers x2 - 9c.
