Plastic Circular Louvers
Master Flow®

Plastic Circular Louvers

Our bestselling mini-vent recommended for hard-to-ventilate or other restricted areas
Plastic Circular Louvers
Durable
DURABLE
High-impact plastic construction for strength
Durable
EASY INSTALLATION
Just cut appropriate-sized hole and snap in place
UV Inhibitors
UV INHIBITORS
Contains UV inhibitors to help last longer
Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.

Available Sizes

Note:  Product sizes, dimensions, and widths are nominal values and are subject to normal manufacturing/packaging tolerance and variation.
  • Net Free Areas (NFA)
    1.5 sq. in.
  • Net Free Areas (NFA)
    3.20 sq. in.
  • Net Free Areas (NFA)
    5.17 sq. in.

Product Properties

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CONTACT GAF
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Professional Installation
PROFESSIONAL INSTALLATION

For peace of mind choose a GAF factory-certified Master Elite® roofing contractor.

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Pricing and Where to Buy
PRICING & WHERE TO BUY

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