- TSI P-TRAK 8525 Ultrafine Particle Counter for Detecting Airborne Particles
- Telescoping sample probe
- Sample tube
- Shoulder strap
- Inlet screen
- Two spare wicks
- Battery holder
- Six AA Alkaline batteries
- Alcohol cartridge
- Alcohol fill capsule with storage cap 30-ml bottles reagent-grade isopropyl alcohol
- HEPA filters
- TrakPro software
- Computer DB9/DB25 serial adapter
- Carrying case
- Operations manual