This document discusses different types of air filters including dry air filters that capture dust through static electricity, wet air filters that use water to trap particles, oil bath air filters that submerge dust in oil, and cyclone pre filters that use centrifugal force to remove large particles before they reach other filters.

1. Air Filter

2. TYPE OF AIR FILTERS
 Dry air filter
 Wet air filter
 Oil bath air filter
 Cyclone pre filter

3. DRY AIR FILTER

4. DRY AIR FILTER

5. WET AIR FILTER

6. OIL BATH AIR FILTER

7. CYCLONE PRE FILTER