Finding the correct ceiling filter coverage is essential to maintaining your controlled environment. Below is an outline of filter coverage for reference. For detailed information, contact a CRW specialist to get specific answers to your project.
| Class – ISO 14644 (per Fed. Stnd 209e) | |
| ISO 8 (Class 100,000) | 5 – 15% |
| ISO 7 (Class 10,000) | 15 – 20% |
| ISO 6 (Class 1,000) | 25 – 40% |
| ISO 5 (Class 100) | 50 – 100% |
| ISO 4 (Class 10) | 100% * |
| ISO 3 (Class 1) | 100% * |
| ISO 2 and cleaner | 100%* |
HEPA filters used in all others. |
For more information on ceiling filter coverage, contact CRW to find out how our design experts can help achieve your environmental goals. By email at info@cleanroomswest.com; Or by phone at 800-772-6634