Fine Filter is used as secondary filter (Second Stage). These are available in the range of 1 to 5 micron with having low pressure drop and efficiency upto 99%. These acts as a pre filter prior to Hepa (Absolute) Filters.
| Size with Flow Rate | Size | Flow | |
| 610 x 610 x 300 mm | 2000 CFM | ||
| 610 x 610 x 150 mm | 1000 CFM | ||
| 610 x 305 x 300 mm | 1000 CFM | ||
| 610 x 305 x 150 mm | 700 CFM | ||
| 305 x 305 x 300 mm | 700 CFM | ||
| Note :- Sizes as per clients requirement can be made | |||
| Type | Flange or Box Panel / Cassette | ||
| Filtration Rating | 1, 3, 5 | ||
| Filtration efficiency | 99.9% | ||
| Frame Material | |||
| SS 304 / SS 316 | |||
| GI (Galvanized Steel) | |||
| Aluminum , Anodize | |||
| MS Powder Coating | |||
| CRC Powder Coated or Zinc Coated | |||
| Media | |||
| Synthetic Needle Felt | |||
| HDPE | |||
| Flow capacity Range | 5000 – 7000 CFM | ||
| Temperature Range | 1 Deg. C to 125 Deg. C | ||
| Pressure Drop Range | 6 mm to 7 mm wc of rated flow | ||
| Tests | Ashrae 52-76 (equi DIN 24185), BS 6540/2831, IS/7613, Federal 209 D | ||