| Square Centrifugal Inline Fan, Product # BSQ-180-7X-QD-DR2, 2750-4389 CFM | $2,885.00 | | |
| Square Centrifugal Inline Fan, Product # BSQ-180-LMDX-QD, 1907-5414 CFM | $2,219.00 | | |
| Square Connection Hooded Wall Cap, Model WC-8x8, For Models SP/CSP | $96.00 | | |
| STANLEY 12-3/8" WONDER BAR | $12.00 | | |
| Surface Mount Frame 12x12 | $42.00 | | |
| Surface Mount Frame 24x24 | $57.00 | | |
| Suspension Mount Bracket, For Model MAC 18-48 | $236.00 | | |
| Switch Assembly, 1 Function, with Switch, Product # 872243 | $24.00 | | |
| Switch Assembly, 2 Function, with Plate | $66.00 | | |
| TDC 4-way beveled surface 12x12 | $98.00 | | |
| TDC 4-way beveled surface 15x15 | $128.00 | | |
| TDC 4-way beveled surface 18x18 | $163.00 | | |
