GAF Master Flow R50A Square Throat Roof Louver Black 17 3/8" x 15 3/8" x 4"

The GAF Master Flow R50A Square Throat Roof Louver Black 17 3/8" x 15 3/8" x 4" is a static vents from GAF for exact-match material ordering. Match manufacturer model/MPN R50ABL. This variant is sold as EA with SKU GAFSB50BK. The perfect utility vent for kitchen duct outlets, bathroom fan exhausts, and attic exhaust ventilation.

Key Specs

• Brand: GAF
• Model / MPN: R50ABL
• SKU: GAFSB50BK
• Sell unit: EA
• Product type: Static Vents
• Size: 17 3/8" x 15 3/8" x 4"
• Color / finish: Black
• Category: Residential Roofing | Residential Roofing/Ventilation | Residential Roofing/Ventilation/Static Vents | Ventilation | Ventilation/Static Vents

Key Features

• Durable aluminum construction with round throat
• Large capacity
• Complements most roofs

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

GAF Master Flow R50A Square Throat Roof Louver Black 17 3/8" x 15 3/8" x 4", sold as EA, SKU GAFSB50BK, manufacturer model/MPN R50ABL.

What unit is the price based on?

The price is for the EA sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when GAF, SKU GAFSB50BK, EA sell unit, and MPN R50ABL match the job requirement.