Comply with OSHA standards for quantitative fit testing Includes: 1 Probed Cartridge For Use With 7000 or 7800 Series 1 Probed Cartridge For Use With 9000 Series 1 Pair 7940 P100 Filter Disks 1 Pair 7920 Piggyback Adapters Instructions and certificates Respirators sold separately Compliance NIOSH approved.