Master Flow power gable-mount Attic Vents help exhaust heat and moisture from up to 3000 sq-ft of attic space, depending on model selected. Metal construction helps resist rust and a PSC (permanent split capacitor) motor provides excellent operating efficiency. An adjustable thermostat is included...

Serious off-ridge ventilation power with advanced technology. Help pull heat and moisture from the attic. Thermostat included. Available in multiple colors. Exhausts large amounts of heat and moisture from the attic High-efficiency PSC motor design Compact size and hemmed dome for a sleek finished...

Serious off-ridge ventilation power with advanced technology. Help pull heat and moisture from the attic. Thermostat included. Available in multiple colors. Exhausts large amounts of heat and moisture from the attic High-efficiency PSC motor design Compact size and hemmed dome for a sleek finished...

Serious off-ridge ventilation power with advanced technology. Help pull heat and moisture from the attic. Thermostat included. Available in multiple colors. Exhausts large amounts of heat and moisture from the attic High-efficiency PSC motor design Compact size and hemmed dome for a sleek finished...

Serious off-ridge ventilation power with advanced technology. Help pull heat and moisture from the attic. Thermostat included. Available in multiple colors. Exhausts large amounts of heat and moisture from the attic High-efficiency PSC motor design Compact size and hemmed dome for a sleek finished...

Serious off-ridge ventilation power with advanced technology. Help pull heat and moisture from the attic. Thermostat included. Available in multiple colors. Exhausts large amounts of heat and moisture from the attic High-efficiency PSC motor design Compact size and hemmed dome for a sleek finished...

Serious off-ridge ventilation power with advanced technology. Help pull heat and moisture from the attic. Thermostat included. Available in multiple colors. Exhausts large amounts of heat and moisture from the attic High-efficiency PSC motor design Compact size and hemmed dome for a sleek finished...

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 and...

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...

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...

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...

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, Solar Power Source, 500 cfm Air Flow, 2:12 to 12:12 Roof Pitch, Steel, Roof Installation, Dimensions: 25 in W

Master Flow Turbine Head, Net Free Ventilating Area: 120 sq-in, Rough Opening Size: 12 in, Roof Pitch: 2:12 to 12:12, Bracing Type: External, Bearing Type: Ball, Base Size: 18 in, Steel, Galvanized, Silver, 18 in OAW, 20.47 in OAH, Throat Diameter: 12 in, Suitable...

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 D slope applications. Hood...

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 x 8 ft. 68 sq-in of net-free area. Provides critical intake ventilation Ideal for new construction or remodeling 8 ft sections

Intake ventilation for new construction or remodeling. Aluminum louvered construction. Reversible for flush or recessed mounting. Fits openings 2 in x 8 ft. 68 sq-in of net-free area. Provides critical intake ventilation Ideal for new construction or remodeling 8 ft sections

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

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 air flow eliminates moisture during peak times Electric powered to help...

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.

Scratch, dent and crush-resistant high-impact resin plastic. 10 x 10 in opening, 17-5/16 x 16-13/16 in flashing. 50 sq-in of net-free ventilating area. CSA listed. Scratch, crush and dent-resistant Pre-drilled nail holes with extra-wide flashing area High-impact plastic resin construction looks great for years...

Scratch, dent and crush-resistant high-impact resin plastic. 10 x 10 in opening, 17-5/16 x 16-13/16 in flashing. 50 sq-in of net-free ventilating area. CSA listed. Scratch, crush and dent-resistant Pre-drilled nail holes with extra-wide flashing area High-impact plastic resin construction looks great for years...

Scratch, dent and crush-resistant high-impact resin plastic. 10 x 10 in opening, 17-5/16 x 16-13/16 in flashing. 50 sq-in of net-free ventilating area. CSA listed. Scratch, crush and dent-resistant Pre-drilled nail holes with extra-wide flashing area High-impact plastic resin construction looks great for years...

Scratch, dent and crush-resistant high-impact resin plastic. 10 x 10 in opening, 17-5/16 x 16-13/16 in flashing. 50 sq-in of net-free ventilating area. CSA listed. Scratch, crush and dent-resistant Pre-drilled nail holes with extra-wide flashing area High-impact plastic resin construction looks great for years...

Use with all attic power gable-mount vents, moving air opens the louvers only when the power vent is operating, when vent is off, shutter helps prevent infiltration of rain, snow, insects, etc, maintenance-free white aluminum construction, can be painted if desired. Use with all...

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....

Our finest metal roof louver, with fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging. Leading metal roof louver with fully enclosed hood to prevents rodent/insect infiltration and leaf/pine needle clogging An excellent choice against weather infiltration, especially in steep-slope applications...

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...

Our finest metal roof louver, with fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging. Leading metal roof louver with fully enclosed hood to prevents rodent/insect infiltration and leaf/pine needle clogging An excellent choice against weather infiltration, especially in steep-slope applications...

Our finest metal roof louver, with fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging. Leading metal roof louver with fully enclosed hood to prevents rodent/insect infiltration and leaf/pine needle clogging An excellent choice against weather infiltration, especially in steep-slope applications...

Our finest metal roof louver, with fully enclosed hood to help prevent rodent/insect infiltration and leaf/pine needle clogging. Leading metal roof louver with fully enclosed hood to prevents rodent/insect infiltration and leaf/pine needle clogging An excellent choice against weather infiltration, especially in steep-slope applications...

Galvanized steel construction. Replaces turbine heads during cold weather or severe weather conditions. No.WC12 Dade Country Approved 04-0618.01 when used with Master Flow base. No.WC12F Florida Building Code (FBC) Approved FL5027.

One-piece white polyethylene. Recommended for moisture control in sidewalls construction or other restricted areas. Easy installation

One-piece white polyethylene. Recommended for moisture control in sidewalls construction or other restricted areas. Easy installation

One-piece white polyethylene. Recommended for moisture control in sidewalls construction or other restricted areas. Easy installation

One-piece white polyethylene. Recommended for moisture control in sidewalls construction or other restricted areas. Easy installation

One-piece white polyethylene. Recommended for moisture control in sidewalls construction or other restricted areas. Easy installation

We use a minimum of 0.02 ga aluminum for our round aluminum louvers, screens and plugs - most manufacturers use a thinner gauge, which leads to a weaker product. This thick, durable material maximizes lifespan and ensures proper ventilation needs. Easy installation Rugged construction...

A minimum of 0.020 ga aluminum for our round aluminum louvers, screens and plugs most manufacturers use a thinner gauge, which leads to a weaker product. This thick, durable material maximizes lifespan and ensures proper ventilation needs. Easy installation Rugged construction