| 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 | | |
| TDC 4-way beveled surface 6x6 | $82.00 | | |
| TDC 4-way beveled surface 9x9 | $71.00 | | |
| TDC 4-way surface 12x12 | $98.00 | | |
| TDC 4-way surface 15x15 | $128.00 | | |
| TDC 4-way surface 18x18 | $163.00 | | |
| TDC 4-way surface 6x6 | $57.00 | | |
| TDC 4-way surface 9x9 | $71.00 | | |
| TDC Louvered face T-Bar 12x12 | $133.00 | | |
| TDC Louvered face T-Bar 15x15 | $165.00 | | |
| TDC Louvered face T-Bar 18x18 | $200.00 | | |
| TDC Louvered face T-Bar 6x6 | $94.00 | | |
| TDC Louvered face T-Bar 9x9 | $108.00 | | |
| TDCA Louvered face adjustable T-Bar 12x12 | $189.00 | | |
| TDCA Louvered face adjustable T-Bar 15x15 | $250.00 | | |
| TDCA Louvered face adjustable T-Bar 18x18 | $243.00 | | |
| TDCA Louvered face adjustable T-Bar 6x6 | $131.00 | | |
| TDCA Louvered face adjustable T-Bar 9x9 | $131.00 | | |
| TDC-Core only 12x12 2-Way Opposite | $64.00 | | |
| TDC-Core only 12x12 1-Way | $64.00 | | |
| TDC-Core only 12x12 2-Way Corner | $64.00 | | |
| TDC-Core only 12x12 3 Way | $64.00 | | |
| TDC-Core only 12x12 4 Way | $64.00 | | |
| TDC-Core only 15x15 1-Way | $83.00 | | |
| TDC-Core only 15x15 2-Way Corner | $83.00 | | |
