One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting.

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting.

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting.

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting.

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting.

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting.

One-piece aluminum central louver panel construction with pre-punched louvered vanes. Designed for flush or recessed mounting.

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. Versatile, all-purpose intake ventilation Easy Installation, pre-punched nail holes Great surface-mount...

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. Versatile, all-purpose intake ventilation Easy Installation, pre-punched nail holes Great surface-mount...

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. Versatile, all-purpose intake ventilation Easy Installation, pre-punched nail holes Great surface-mount...

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. Versatile, all-purpose intake ventilation Easy Installation, pre-punched nail holes Great surface-mount...

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. Versatile, all-purpose intake ventilation Easy Installation, pre-punched nail holes Great surface-mount...

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. Versatile, all-purpose intake ventilation Easy Installation, pre-punched nail holes Great surface-mount...

High-impact resin construction, all-purpose intake ventilation. Snap-in for easy installation with 5/16 in soffit material. 22 sq-in. NFA.

Master Flow® gable-mounted power attic vents are the easiest power ventilators to install and won't detract from the look of the finished roof. They're factory-tested prior to shipment and are manufactured with durable 100% rust-resistant metal construction. High-efficiency, PSC (permanent split capacitor) motor provides...

Master Flow® gable-mounted power attic vents are the easiest power ventilators to install and won't detract from the look of the finished roof. They're factory-tested prior to shipment and are manufactured with durable 100% rust-resistant metal construction. High-efficiency, PSC (permanent split capacitor) motor provides...

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....

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....

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....

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....

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....

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....

Master Flow® foundation vents help to remove damaging moisture that can lead to mold growth and structural decay in the foundation area of the home. Automatically opens at 70 deg F and closes at 40 deg F Quick snap-in installation Helps prevent foundation decay...

Galvanized construction, externally braced for added strength. Heavy-duty construction ideal for coastal and high wind areas. Simple, two-piece assembly for faster installation. Permanently lubricated dual bearing system for long-lasting performance. Stainless steel ball bearings. 720 cfm air movement. No.GC12E Dade County Approved 02-0524.03. Nos.GC12EF...

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...

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...

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...

For attic ventilation. 26 ga. Flexible, strong and versatile

For attic ventilation. 26 ga. Flexible, strong and versatile

Ideal for appliances needing ventilation. Heavy-duty screen deters animals and insects, large flashing for added leak protection. Black.

Ideal for appliances needing ventilation. Heavy-duty screen deters animals and insects, large flashing for added leak protection. Black.

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 Requires no extra wiring or expensive electricians and is fully solar powered to eliminate related cooling costs ENERGY STAR...

Fits most brands of turbine bases. No GT12E Dade County Approval 04-0618.01. Bases adjustable for roof pitches up to 12:12 Weather caps can be used to replace turbine heads during anticipated severe weather conditions

Wires parallel to thermostat, allows moisture-laden winter air to be discharged. Thermostat will operate unit during the summer months and in the winter months humistat will takeover. Settings for humidistat are minimum 80%, normal 42% and maximum 20 %. Fits 2000 series. Fully adjustable...

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...

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....

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....

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....

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. Provides critical intake ventilation Ideal for new construction or remodeling Eight foot sections Aluminum louvered construction...

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-ins of net-free area. Provides critical intake ventilation Ideal for new construction or remodeling Eight foot sections Aluminum louvered construction...

Master Flow® foundation vents help to remove damaging moisture that can lead to mold growth and structural decay in the foundation area of the home. Die-cast aluminum vanes Designed for nailing to floor joists or as a foundation block replacement Grill style

Master Flow® foundation vents help to remove damaging moisture that can lead to mold growth and structural decay in the foundation area of the home. Die-cast aluminum vanes Designed for nailing to floor joists or as a foundation block replacement Grill style

Heavy polyethylene jacket with UV inhibitors. R-Value of 4.2. For use outdoors or indoors. Designed specifically for use in manufactured and mobile home HVAC systems. 1-1/4 in thickness. Black jacket. Two-ply continuous inner core products, smooth interior for more efficient air movement Vapor barrier,...

Heavy polyethylene jacket with UV inhibitors. R-Value of 4.2. For use outdoors or indoors. Designed specifically for use in manufactured and mobile home HVAC systems. 1-1/4 in thickness. Black jacket. Two-ply continuous inner core products, smooth interior for more efficient air movement Vapor barrier,...

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. Helps protect your roof against moss and mildew growth Installs easily near the roof ridge for...

Master Flow® foundation vents help to remove damaging moisture that can lead to mold growth and structural decay in the foundation area of the home. Powered foundation vent with up to 330 cfm airflow eliminates moisture during peak times Electric powered to help reduce...

Galvanized steel construction. Works with existing soffit intake vents to help remove damaging heat and moisture from the attic. More effective than roof louvers or turbine style vents. Helps prevent wood rot and extend the life of exterior paint. Eliminates related utility cost. Power...

Automatic adjustable. Inline with vent. Outside arrow indicator for easy changes. Compatible with all single speed power vents. 4.4 A, 120 V, 60 Hz.

Replacement motor for GM30, PG1, PG2, MD105, MD105D, H122D, PR1, PR1D, PR2D, PR2DHT, EGV5, ERV4 and ERV5 series power vents.

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...