| Roof Curb for 17 In. Square Base, for High Wind Applications, 18 In. High | $380.00 | | |
| Roof Curb for 17 In. Square Base, for High Wind Applications, 24 In. High | $411.00 | | |
| Roof Curb for 19 In. Square Base, 18 In. High | $282.00 | | |
| Roof Curb for 19 In. Square Base, 24 In. High | $326.00 | | |
| Roof Curb for 19 In. Square Base, for High Wind Applications, 18 In. High | $430.00 | | |
| Roof Curb for 19 In. Square Base, for High Wind Applications, 24 In. High | $464.00 | | |
| Roof Curb for 22 In. Square Base, 18 In. High | $346.00 | | |
| Roof Curb for 22 In. Square Base, 24 In. High | $399.00 | | |
| Roof Curb for 22 In. Square Base, for High Wind Applications, 18 In. High | $526.00 | | |
| Roof Curb for 22 In. Square Base, for High Wind Applications, 24 In. High | $568.00 | | |
| Roof Curb for 30 In. Square Base, 18 In. High | $468.00 | | |
| Roof Curb for 30 In. Square Base, 24 In. High | $540.00 | | |
| Roof Curb for 30 In. Square Base, for High Wind Applications, 18 In. High | $714.00 | | |
| Roof Curb for 30 In. Square Base, for High Wind Applications, 24 In. High | $770.00 | | |
| Roof Curb for 34 In. Square Base, for High Wind Applications, 18 In. High | $813.00 | | |
| Roof Curb for 34 In. Square Base, for High Wind Applications, 24 In. High | $878.00 | | |
| Roof Curb for 40 In. Square Base, for High Wind Applications, 18 In. High | $976.00 | | |
| Roof Curb for 40 In. Square Base, for High Wind Applications, 24 In. High | $1,052.00 | | |
| Roof Fan- Direct Drive G-103-VG VariGreen EC w/Potentiometer (400-1300CFM) 115/1 1/4HP-19x19 cap | $623.00 | | |
| Roof Fan- Direct Drive G-143-VG VariGreen EC w/Potentiometer (400-2875CFM) 115/1 3/4HP-22x22 cap | $1,665.00 | | |
| Roof Fan- Direct Drive G-095-VG VariGreen EC w/Potentiometer (125-1150CFM) 115/1 1/6 HP-17x17 Cap | $870.00 | | |
| Roof Fan- Direct Drive G-095-VG VariGreen EC w/Potentiometer (125-1150CFM) 115/1 1/6 HP-17x17 Cap | $622.00 | | |
| Roof Fan- Direct Drive-G-133-B 1-PH- 1140 RPM 1000 CFM -19x19 cap | $837.00 | | |
| Roof Fan- Direct Drive-G-70-DGE 1-PH 200-350 CFM -17x17 cap | $480.00 | | |
| Roof Fan- Direct Drive-G-75-DGE 1-PH CFM -17x17 cap | $348.00 | | |
| Roof Fan- Direct Drive-G-80-DGE 1-PH 250-425 CFM -17x17 cap | $503.00 | | |
| Roof Fan- Direct Drive-G-80-DGE 1-PH 250-425 CFM -17x17 cap | $572.00 | | |
| Roof Fan- Direct Drive-G-85-DGE 1-PH 325-525 CFM -17x17 cap | $455.00 | | |
| Roof Fan- Direct Drive-G-90-DGE 1-PH CFM -17x17 cap | $697.00 | | |
| Round Access Door, For 10 Inch Duct Diameters, Insulated | $76.00 | | |
| Round Access Door, For 10 Inch Duct Diameters, Uninsulated | $69.00 | | |
| Round Access Door, For 12 Inch Duct Diameters, Insulated | $115.00 | | |
| Round Access Door, For 12 Inch Duct Diameters, Uninsulated | $104.00 | | |
| Round Access Door, For 14 Inch Duct Diameters, Insulated | $115.00 | | |
| Round Access Door, For 14 Inch Duct Diameters, Uninsulated | $104.00 | | |
| Round Access Door, For 16 Inch Duct Diameters, Uninsulated | $115.00 | | |
