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| Best Seller  | 1PACK Dayton 2RB75 Roof Curb Fixed 12 In H 17 1/2 In OD Roof Curb For Fan Base Size 19 in Curb Height 12 in Curb Inside Width 14 1/2 in Curb Outside Width 17 1/2 in Material Steel Standards UL 705 For Use With 19 in Square Base Adjustability Fixed Ventilation Type Nonventilated Application General Exhaust... more | go to store |
 | 1Pack Dayton 2RB76 Roof Curb Fixed 12 In H 20 1/2 In OD 1Pack Dayton 2RB76 Roof Curb Fixed 12 In H 20 1/2 In OD Roof Curb Fixed Nonventilated Curb Height (In.) 12 in Curb Square O.D. (In.) 20 1/2 in Curb Square I.D. (In.) 17 1/2 in Damper Size (In.) 15 x 15 Flashing Flange (In.) 2 in Mounting Flange Surface... more | FREE shipping go to store |
| Best Seller  | 1pack Dayton 5EFJ2 Roof Curb Fixed 12 In H 15 1/2 In O D 1pack Dayton 5EFJ2 Roof Curb Fixed 12 In H 15 1/2 In O D Roof Curb Fixed Nonventilated Curb Height (In.) 12 in Curb Square O.D. (In.) 15 1/2 in Curb Square I.D. (In.) 12 1/2 in Damper Size (In.) 9 1/2 x 9 1/2 Flashing Flange (In.) 2 in Mounting Flange... more | go to store |
 | DAYTON 5EFJ2 Roof Curb, Fixed, 12 In H, 15 1/2 In O D Roof Curb, For Fan Base Size 17 in, Curb Height 12 in, Curb Inside Width 12 1/2 in, Curb Outside Width 15 1/2 in, Material Steel, Standards UL 705, For Use With 17 in square base, Adjustability Fixed, Ventilation Type Nonventilated, Application General... more | go to store |
 | DAYTON 2RB76 Roof Curb,Fixed,12 In H,20 1/2 In OD Roof Curb, For Fan Base Size 22 in, Curb Height 12 in, Curb Inside Width 17 1/2 in, Curb Outside Width 20 1/2 in, Material Steel, Standards UL 705, For Use With 22 in Square Base, Adjustability Fixed, Ventilation Type Nonventilated, Application General... more | go to store |
 | DAYTON 2RB80 Roof Curb,Fixed,12 In H,32 1/2 In OD Roof Curb, For Fan Base Size 34 in, Curb Height 12 in, Curb Inside Width 29 1/2 in, Curb Outside Width 32 1/2 in, Material Steel, Standards UL 705, For Use With 34 in Square Base, Adjustability Fixed, Ventilation Type Nonventilated, Application General... more | go to store |
 | Dayton Steel 30 W 12 H Fixed Roof Curb 2RB79 Roof Curb For Fan Base Size 30 in Curb Height 12 in Curb Inside Width 25 1/2 in Curb Outside Width 28 1/2 in Material Steel Standards UL 705 For Use With 30 in Square Base Adjustability Fixed Ventilation Type Nonventilated Application General Exhaust... more | FREE shipping go to store |
 | DAYTON 2RB82 Roof Curb,Fixed,12 In H,44 1/2 In OD Roof Curb, For Fan Base Size 46 in, Curb Height 12 in, Curb Inside Width 41 1/2 in, Curb Outside Width 44 1/2 in, Material Steel, Standards UL 705, For Use With 46 in Square Base, Adjustability Fixed, Ventilation Type Nonventilated, Application General... more | go to store |
 | DAYTON 2RB79 Roof Curb,Fixed,12 In H,28 1/2 In OD Roof Curb, For Fan Base Size 30 in, Curb Height 12 in, Curb Inside Width 25 1/2 in, Curb Outside Width 28 1/2 in, Material Steel, Standards UL 705, For Use With 30 in Square Base, Adjustability Fixed, Ventilation Type Nonventilated, Application General... more | go to store |
 | DAYTON 2RB78 Roof Curb,Fixed,12 In H,27 1/2 In OD Roof Curb, For Fan Base Size 29 in, Curb Height 12 in, Curb Inside Width 24 1/2 in, Curb Outside Width 27 1/2 in, Material Steel, Standards UL 705, For Use With 29 in Square Base, Adjustability Fixed, Ventilation Type Nonventilated, Application General... more | go to store |
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