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    Spun Aluminum Gravity Ventilator, Product # GRS-18-QD

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    Spun Aluminum Gravity Ventilator, Product # GRS-18-QD

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    Max CFM Intake
    CFM

    Intake Area
    3.42 ft²

    Diameter
    35 1/2 in

    • 30 x 30 inch base with prepunched mounting holes for easy attachment to roof curb
    • All aluminum exterior for corrosion-resistant construction
    • Integral birdscreen to prevent entry of birds and small objects

    • Shipping Type:
      Parcel
    $467.46
    In stock 
    5 on Hand
    Free shipping
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    OR
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    Submit a request online and get a quote from your local representative within 4 hours.
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    Max CFM Intake
    CFM

    Intake Area
    3.42 ft²

    Diameter
    35 1/2 in

    • 30 x 30 inch base with prepunched mounting holes for easy attachment to roof curb
    • All aluminum exterior for corrosion-resistant construction
    • Integral birdscreen to prevent entry of birds and small objects

    • Shipping Type:
      Parcel

    For natural gravity or positive pressure systems, model GRS offers excellent performance and durability for intake or relief applications. Featuring an exceptional low silhouette design and rugged construction this model is both efficient and economical.

    California Residents-

    Prop 65 Warning
    Specifications
    Base/Panel Length X Width
    30 x 30 in
    Curb Cap Size
    30 in
    Base Height
    1 3/4 in
    Base Top To Shroud
    1 3/4 in
    Base Top to Shroud Top
    9 3/4 in
    Damper Width x Damper Height
    18 x 18 in
    Height
    9 3/4 in
    Weight
    19 lbs
    Overall Diameter
    35 1/2 in
    Intake Area
    3.42 ft²
    Throat Area
    1.83 ft²
    Application
    Exhaust General and Clean Air
    Supply Air
    Housing Material
    Spun Aluminum
    Includes
    Birdscreen
    Required Accessory
    Roof curb for new installations
    Shipping Type
    Parcel
    Package Depth
    36 in
    Package Height
    14 in
    Package Weight
    23 lbs
    Package Width
    36 in
    Warranty Length
    1 Year
    Performance
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