About Master Flow™ Roof Louver R50 Metal Square Throat

This aluminum square-top utility vent with square throat offers versatile application as an attic exhaust vent, kitchen duct outlet or bathroom exhaust vent. Available in four popular colors, it provides 50 sq. in. (32,258 mm2) of NFA to help exhaust heat and moisture.
 

Features & Benefits

Eligible accessory product in the Attic Ventilation Category of GAF Residential Enhanced and WindProven™ Limited Warranties*

*15-year WindProven™ Limited Wind Warranty covers GAF Shingles with LayerLock® Technology only and requires the use of GAF Starter Strips, Roof Deck Protection, Ridge Cap Shingles, and Leak Barrier or Attic Ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions. Visit gaf.com/LRS for qualifying GAF products. For installations not eligible for the WindProven Limited Wind Warranty, see GAF Shingleand Accessory Limited Warranty, Master Flow™Ventilation Products Limited Warranty,or Master Flow™ Powered Ventilation Products Limited Warranty (depending on product) for complete coverage and restrictions.

Product Documentation

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