✅ Pre Filter (Moisture / Particulate Filter)

✔ Installed first after compressor
✔ Removes water droplets + dust + particles
✔ Protects other filters & equipment

👉 Prevents rust, tool damage, moisture problems

✅ Carbon Filter (Activated Carbon)

✔ Installed after pre-filter / dryer
✔ Removes oil vapor + odor + smell
✔ Used where clean air quality is critical

👉 Important for painting, medical, food, electronics

✅ After Filter (Fine / Micro Filter)

✔ Final filtration stage
✔ Removes very fine particles + oil mist traces
✔ Ensures high purity air

👉 Protects sensitive valves & instruments