SM-4000 Personal Real-time Silica Monitor with immediate display of particulate concentrations. Comes with Black pouch, SKC GS-3 Respirable Cyclone (p/n RS-104) & 37mm in-line filter cassette (p/n 23-1) Add 37mm PVC Filter (p/n EDC-5-37-P), if doing concurrent gravimetric analysis . Also includes carrying case, serial computer cable (p/n CC-102), Serial to USB Adapter Cable (p/n CCUSB-102), battery charger (p/n BC-104-110-220). Zero filtering accessory (ZA-202A), and open faced sampling adapter (p/n 17-174). Haz-Dust resource media including Instruction Manuals and DustComm Pro Software, compatible with Windows XP, 7, 8, & 10