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| Best Seller  | DAYTON 4HX57 Roof Curb,24 In High Roof Curb, For Fan Base Size 30 in, Curb Height 24 in, Curb Inside Width 25 in, Curb Outside Width 28 1/2 in, Material Steel, Standards NFPA 96, UL 705, UL 762, For Use With NFPA 96, UL 705, UL 762, Adjustability Fixed, Ventilation Type Ventilated,... ... more
DAYTON 4HX57 Roof Curb,24 In High Roof Curb, For Fan Base Size 30 in, Curb Height 24 in, Curb Inside Width 25 in, Curb Outside Width 28 1/2 in, Material Steel, Standards NFPA 96, UL 705, UL 762, For Use With NFPA 96, UL 705, UL 762, Adjustability Fixed, Ventilation Type Ventilated,... | go to store |
 | DAYTON 2RB69 Gravity Roof Vent,19 In Sq Base,312 CFM Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 524 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB75, Compatible Damper Grainger Part Number 4HX38, Mount Type Roof Curb, Number of Filters 0 ... more
DAYTON 2RB69 Gravity Roof Vent,19 In Sq Base,312 CFM Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 524 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB75, Compatible Damper Grainger Part Number 4HX38, Mount Type Roof Curb, Number of Filters 0 | go to store |
| Best Seller  | DAYTON 2RB68 Gravity Roof Vent,19 In Sq Base,199 CFM Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 365 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB75, Compatible Damper Grainger Part Number 4HX38, Mount Type Roof Curb, Number of Filters 0 ... more
DAYTON 2RB68 Gravity Roof Vent,19 In Sq Base,199 CFM Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 365 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB75, Compatible Damper Grainger Part Number 4HX38, Mount Type Roof Curb, Number of Filters 0 | go to store |
 | DAYTON 2RB72 Gravity Roof Vent,30 In Sq Base Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 2,029 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB79, Compatible Damper Grainger Part Number 4HX41, Mount Type Roof Curb, Number of Filters 0 ... more
DAYTON 2RB72 Gravity Roof Vent,30 In Sq Base Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 2,029 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB79, Compatible Damper Grainger Part Number 4HX41, Mount Type Roof Curb, Number of Filters 0 | go to store |
 | DAYTON 48C189 Downblast Vent,Direct Drive,8-1/4 In Centrifugal Downblast Roof Exhaust Fan, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 8 1/4 in, Base Diameter Not Applicable, Base Length 17 in, Base Width 17 in, Base Shape Square, Nameplate Voltage 115V AC, Phase 1, Motor Horsepower 1/6... ... more
DAYTON 48C189 Downblast Vent,Direct Drive,8-1/4 In Centrifugal Downblast Roof Exhaust Fan, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 8 1/4 in, Base Diameter Not Applicable, Base Length 17 in, Base Width 17 in, Base Shape Square, Nameplate Voltage 115V AC, Phase 1, Motor Horsepower 1/6... | go to store |
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