Square-top metal utility vent, recommended for kitchen duct outlets and bathroom fan exhausts as well as ventilation, large capacity of full 50 sq-in of net-free ventilating area (NFA) per vent,...

Square-top metal utility vent, recommended for kitchen duct outlets and bathroom fan exhausts as well as ventilation, large capacity of full 50 sq-in of net-free ventilating area (NFA) per vent, versatile, available with square throat in heavy-duty aluminum, easy to install, pre-drilled nail holes with extra wide flashing area. CSA listed."GAF/MASTER FLOW"Color=BlackLOUVERUnit: EA

Aluminum material resists rust. Fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging. Embossed finish hides scratches and resists wear. Larger flashing with...

Aluminum material resists rust. Fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging. Embossed finish hides scratches and resists wear. Larger flashing with pre-drilled nail holes makes installation easier, helps prevent leaks. 9-7/8 in opening, 16 in x 201/2 flashing dimension. 60 sq-in. of net-free ventilating area per vent. Dade County approved. Florida Building Code (FBC) approved for specified Sku's. CSA listed."GAF/MASTER FLOW"Color=MillLOUVERSLANT...

Pre-wired roof mount attic vent and thermostat control, helps exhaust large amounts of hot and humid air from your attic, helps protect your roofing system and promotes your home's energy...

Pre-wired roof mount attic vent and thermostat control, helps exhaust large amounts of hot and humid air from your attic, helps protect your roofing system and promotes your home's energy efficiency, energy-efficient PSC (permanent-split capacitor), includes internal heavy-duty screen which helps prevent animal infestation."GAF/MASTER FLOW"MAX ATTIC SIZE = 1600 SQ FTNet Free Area = 480 sq. ft.Color=Wthrd WdAirflow CFM=1000ROOF MOUNTGALVANIZED STEELUnit: EA ...

Maintenance-free all aluminum, aerodynamic profile. Built-in weather baffle, extra wide free flow drainage areas, pre-punched nail holes. Design helps prevent insect, rain and snow infiltration....

Maintenance-free all aluminum, aerodynamic profile. Built-in weather baffle, extra wide free flow drainage areas, pre-punched nail holes. Design helps prevent insect, rain and snow infiltration. Base adjustable to broad range of roof pitch 3/12 - 8/12. Dade County Approved 02-0524.01. Nos.AR10BLF, AR10BRF and AR10WHF Florida Building Code (FBC) Approved FL5027."GAF/MASTERFLOW"Lgth Ft=10Color=BrownHEAVY-DUTYUnit: EA

Permanently lubricated track system, upper and lower stainless steel ball bearings prevents metal-to-metal contact, encased to help prevent dirt, dust, sand and other foreign materials from damaging...

Permanently lubricated track system, upper and lower stainless steel ball bearings prevents metal-to-metal contact, encased to help prevent dirt, dust, sand and other foreign materials from damaging bearings for long life, less friction, smoother spin and wear resistance. Heavy-duty steel spider braces and case-hardened steel shaft for long-lasting strength/durability. Simple, mechanically-locked, two-piece head/base for faster, easier installation. Pre-punched bottom/crimped collar of...

High-impact resin. Scratch, crush and dent-resistant, with UV inhibitors to keep consistent color. 12% larger flashing with pre-drilled nail holes and a built-in screen to deter birds and rodents...

High-impact resin. Scratch, crush and dent-resistant, with UV inhibitors to keep consistent color. 12% larger flashing with pre-drilled nail holes and a built-in screen to deter birds and rodents and prevent clogging. Slant back design to prevent weather infiltration especially in deep slope applications. Hood is snapped in place rather than tacked to reduce the chance of blow-off. 11-3/4 in x 10-3/4 in opening, 20-1/4 in x 18 in flashing, 5-7/8 in H. 65 sq-in of net-free ventilating area. CSA...

Scratch, dent and crush-resistant high-impact resin plastic. 10 in x 10 in opening, 17-5/16 in x 16-13/16 in flashing. 50 sq-in of net-free ventilating area. CSA listed."GAF/MASTER...

Scratch, dent and crush-resistant high-impact resin plastic. 10 in x 10 in opening, 17-5/16 in x 16-13/16 in flashing. 50 sq-in of net-free ventilating area. CSA listed."GAF/MASTER FLOW"Color=Weathered WoodLOUVERUnit: EA

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting."DA-SERIES"OA Dim=16-1/2x26-3/8Color=MillALUMINUM - DUALRECESSED/FLUSH...

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting."DA-SERIES"OA Dim=16-1/2x26-3/8Color=MillALUMINUM - DUALRECESSED/FLUSH MOUNTUnit: EA

Our top slant-back aluminum roof louver with fully enclosed hood is an excellent choice to help protect against weather infiltration, especially in steep-slope applications. Unique granule coated...

Our top slant-back aluminum roof louver with fully enclosed hood is an excellent choice to help protect against weather infiltration, especially in steep-slope applications. Unique granule coated design or integral weather filter for harsh winter climates also available. 60 sq-in of NFA to exhaust heat and moisture."GAF/MASTER FLOW"FBC APPROVEDColor=BlackLOUVERSLANT BACKUnit: EA

High-impact resin. Scratch, crush and dent-resistant, with UV inhibitors to keep consistent color. 12% larger flashing with pre-drilled nail holes and a built-in screen to deter birds and rodents...

High-impact resin. Scratch, crush and dent-resistant, with UV inhibitors to keep consistent color. 12% larger flashing with pre-drilled nail holes and a built-in screen to deter birds and rodents and prevent clogging. Slant back design to prevent weather infiltration especially in deep slope applications. Hood is snapped in place rather than tacked to reduce the chance of blow-off. 11-3/4 in x 10-3/4 in opening, 20-1/4 in x 18 in flashing, 5-7/8 in H. 65 sq-in of net-free ventilating area. CSA...

Intake ventilation for new construction or remodeling. Aluminum louvered construction. Reversible for flush or recessed mounting. Fits openings 2 in by 8 ft. 68 sq-in of net-free area.Wdth In x Lgth...

Intake ventilation for new construction or remodeling. Aluminum louvered construction. Reversible for flush or recessed mounting. Fits openings 2 in by 8 ft. 68 sq-in of net-free area.Wdth In x Lgth Ft=2-3/4 x 8Color=MillLOUVEREDUnit: EA

Our finest metal roof louver, with fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging."GAF/MASTER FLOW"Color=BlackLOUVERSLANT BACKUnit: EA ...

Our finest metal roof louver, with fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging."GAF/MASTER FLOW"Color=BlackLOUVERSLANT BACKUnit: EA

Just 2 in H for better appearance. Injection-molded, high-impact resin construction for long life. Colors complement most roofs. Pre-drilled nail holes make installation easier. 11-3/4 in x 9-3/4 in...

Just 2 in H for better appearance. Injection-molded, high-impact resin construction for long life. Colors complement most roofs. Pre-drilled nail holes make installation easier. 11-3/4 in x 9-3/4 in opening, 18-1/2 in x 17-1/2 in flashing, 4-1/4 in H, 37 sq-in of net-free ventilating area."GAF/MASTER FLOW"Color=BrownLOUVERUnit: EA

Square-top metal utility vent, recommended for kitchen duct outlets and bathroom fan exhausts as well as ventilation, large capacity of full 50 sq-in of net-free ventilating area (NFA) per vent,...

Square-top metal utility vent, recommended for kitchen duct outlets and bathroom fan exhausts as well as ventilation, large capacity of full 50 sq-in of net-free ventilating area (NFA) per vent, versatile, available with square throat in heavy-duty aluminum, easy to install, pre-drilled nail holes with extra wide flashing area. CSA listed."GAF/MASTER FLOW"Color=BrownLOUVERUnit: EA

EPA approved. Installs easily near the roof ridge. For composition shingle, shake or tile roofs (bend strips to conform to the shape of the tile). For long-lasting protection.Wdth In x Lgth Ft=2-2/3...

EPA approved. Installs easily near the roof ridge. For composition shingle, shake or tile roofs (bend strips to conform to the shape of the tile). For long-lasting protection.Wdth In x Lgth Ft=2-2/3 x 50ZINCUnit: EA

Pre-wired roof mount attic vent and thermostat control, helps exhaust large amounts of hot and humid air from your attic, helps protect your roofing system and promotes your home's energy...

Pre-wired roof mount attic vent and thermostat control, helps exhaust large amounts of hot and humid air from your attic, helps protect your roofing system and promotes your home's energy efficiency, energy-efficient PSC (permanent-split capacitor), includes internal heavy-duty screen which helps prevent animal infestation."GAF/MASTER FLOW"MAX ATTIC SIZE = 2200 SQ FTNet Free Area = 600 sq. ft.Color=Wthrd WdAirflow CFM=1250ROOF MOUNTGALVANIZED STEELUnit: EA ...

Permanently lubricated track system, upper and lower stainless steel ball bearings prevents metal-to-metal contact, encased to help prevent dirt, dust, sand and other foreign materials from damaging...

Permanently lubricated track system, upper and lower stainless steel ball bearings prevents metal-to-metal contact, encased to help prevent dirt, dust, sand and other foreign materials from damaging bearings for long life, less friction, smoother spin and wear resistance. Heavy-duty steel spider braces and case-hardened steel shaft for long-lasting strength/durability. Simple, mechanically-locked, two-piece head/base for faster, easier installation. Pre-punched bottom/crimped collar of...

Master Flow Fan Shutter, Automatic, 35-3/4 in Length x 30-1/4 in Width Overall, 33-3/4 in Length x 28-1/4 in Width Opening, Aluminum, Enamel, White"MASTERFLOW"AUTOMATIC - NO-CUT JOISTUnit: EA ...

Master Flow Fan Shutter, Automatic, 35-3/4 in Length x 30-1/4 in Width Overall, 33-3/4 in Length x 28-1/4 in Width Opening, Aluminum, Enamel, White"MASTERFLOW"AUTOMATIC - NO-CUT JOISTUnit: EA

Master Flow Green Machine EcoSmart Roof Vent, Power Source: Solar, Air Flow Rate: 500 cfm, Roof Pitch: 2:12 to 12:12, Steel, Dimensions: 25 in W"GAF/MASTER FLOW"ROOF MOUNT - SOLAR POWEREDUnit: EA ...

Master Flow Green Machine EcoSmart Roof Vent, Power Source: Solar, Air Flow Rate: 500 cfm, Roof Pitch: 2:12 to 12:12, Steel, Dimensions: 25 in W"GAF/MASTER FLOW"ROOF MOUNT - SOLAR POWEREDUnit: EA

Square-top metal utility vent, recommended for kitchen duct outlets and bathroom fan exhausts as well as ventilation, large capacity of full 50 sq-in of net-free ventilating area (NFA) per vent,...

Square-top metal utility vent, recommended for kitchen duct outlets and bathroom fan exhausts as well as ventilation, large capacity of full 50 sq-in of net-free ventilating area (NFA) per vent, versatile, available with square throat in heavy-duty aluminum, easy to install, pre-drilled nail holes with extra wide flashing area. CSA listed."GAF/MASTER FLOW"Color=MillLOUVERUnit: EA

For attic ventilation. 26 ga."MASTER FLOW"Fits Pipe Dia In=10Base In=16 x 16GALVANIZED - GOOSE NECKUnit: EA

For attic ventilation. 26 ga."MASTER FLOW"Fits Pipe Dia In=10Base In=16 x 16GALVANIZED - GOOSE NECKUnit: EA

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting."DA-SERIES"OA Dim=26-1/2x32-1/4Color=MillALUMINUM - DUALRECESSED/FLUSH...

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting."DA-SERIES"OA Dim=26-1/2x32-1/4Color=MillALUMINUM - DUALRECESSED/FLUSH MOUNTUnit: EA

All-purpose intake ventilation pre-punched nail holes. Surface mount. Corrosion-resistant. 16 in x 4 in vents have 26 sq-in of net-free area. 16 in x 8 in vents have 65 sq-in of net-free area.Size...

All-purpose intake ventilation pre-punched nail holes. Surface mount. Corrosion-resistant. 16 in x 4 in vents have 26 sq-in of net-free area. 16 in x 8 in vents have 65 sq-in of net-free area.Size In=16 x 4Color=WhiteALUMINUM - SCREENEDUnit: EA

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting."DA-SERIES"OA Dim=14-1/2x14-5/8Color=WhiteALUMINUM - DUALRECESSED/FLUSH...

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting."DA-SERIES"OA Dim=14-1/2x14-5/8Color=WhiteALUMINUM - DUALRECESSED/FLUSH MOUNTUnit: EA