- HRU-200-80,000 cfm, HRU-300-75,000 cfm, HRU-400-110,000 cfm, HRU-500-100,000 cfm, HRU-600-90,000 cfm, HRU-700-65,000 cfm
- Design Engineers
University of Iowa- Bowen Science Building
- HRU-200-80,000 cfm, HRU-300-75,000 cfm, HRU-400-110,000 cfm, HRU-500-100,000 cfm, HRU-600-90,000 cfm, HRU-700-65,000 cfm
- Design Engineers