SKU: 86806399337

GAF MasterFlow RV50G Galvanized Square-Top Metal Utility Vent with Round Throat, Black, 50 Sq. In. NFVA

Sale price$97.12 Regular price$107.91
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

GAF MasterFlow RV50G Galvanized Square-Top Metal Utility Vent with Round Throat, Black, 50 Sq. In. NFVAMasterFlow RV50G Galvanized Square Top Utility Vent The GAF MasterFlow RV50G is a galvanized steel square top roof louver with a round throat, ideal for bathroom fans, kitchen ducts, and general attic exhaust. It delivers 50 sq. in. of net free vent area and is approved for use on roof pitches 3: 12 or greater. Key Features: Durable Galvanized Construction: Metal housing withstands weather and resists corrosion for long service life. Utility Exhaust

MasterFlow RV50G Galvanized Square-Top Utility Vent

The GAF MasterFlow RV50G is a galvanized steel square-top roof louver with a round throat, ideal for bathroom fans, kitchen ducts, and general attic exhaust. It delivers 50 sq. in. of net free vent area and is approved for use on roof pitches 3:12 or greater.


Key Features:

  • Durable Galvanized Construction: Metal housing withstands weather and resists corrosion for long service life.
  • Utility Exhaust Versatility: Suitable for kitchen duct outlets, bathroom fan exhausts, and attic ventilation.
  • Efficient Airflow: Provides 50 sq. in. Net Free Vent Area (NFVA) to help move air out of the home.
  • Pitch Compatibility: Designed for roofs with 3:12 pitch or greater.
  • Tested and Approved: Meets Texas Department of Insurance RV-38, CSA, Florida Building Code, and Miami-Dade approvals.

Specifications Table:

Specification Details
Series RV50G
Color Black
Material Galvanized steel
Style Square-top roof louver with round throat
Net Free Vent Area (NFVA) 50 sq. in.
Allowable Roof Pitch 3:12 or greater
Applicable Standards/Approvals Texas Department of Insurance Evaluation RV-38; CSA Certified; Florida Building Code Approved; Miami-Dade County Approved
Item Weight 2.6667 lb
Pieces per Carton 12
Manufacturer Number RV50GBL
Product Number GAFRV50GBL
Height 4 in (102 mm)

Frequently Asked Questions (FAQ):

Q: What roof pitches can this vent be installed on?
A: It is suitable for roofs with a pitch of 3:12 or greater.


Q: What is the net free vent area?
A: 50 square inches of NFVA.


Q: What applications is this vent designed for?
A: It’s designed for utility exhaust such as bathroom fans, kitchen ducts, and general attic ventilation.


Q: What material is the vent made from?
A: Galvanized steel for durability and corrosion resistance.


Q: Is it code approved?
A: Yes—Texas Department of Insurance RV-38, CSA certified, Florida Building Code approved, and Miami-Dade County approved.


A Clean, Crafted Capstone for Functional Venting

This square-top vent strikes a crisp, architectural note while quietly managing the movement of air. The galvanized finish lends an industrial refinement that complements modern and traditional roofs alike. Pair it with matte-black flashings and streamlined fixtures for a cohesive, elevated exterior palette. Consider it a polished essential—where purposeful engineering meets effortless curb appeal.


Upgrade your roof ventilation with the durable, code-approved MasterFlow RV50G and keep your home breathing easy.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 86806399337

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4.1 ★★★★★
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Verified Purchase
DB
Whiting, US
★★★★★ 5
Grand daughter likes them, she is 2 1/2 .win win!!
Size: 7 Toddler, Color: Tan
My grand daughter loves these shoes. She is 2 1/2. They are comfortable on her. Her favorite was the white 360 walking shoe but they unfortunately don’t make them in toddler size. (Hint: make them in larger sizes - and why not? ). So I got her these. Stride Rite are good, comfortable shoes for little ones.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2025
B
Verified Purchase
Brianna LeVasseur
Bozeman, US
★★★★★ 3
Could Be Better
Size: 11 Little Kid, Color: Tan
Look cute for a little while, then the toes peel as shown by other reviewers. It’s such a shame because my four year old LOVES the sparkly stars on the toes. I wish they made a more expensive version in a material that wouldn’t look worn so quickly.
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Reviewed in the United States on November 16, 2025
A
Verified Purchase
Amazon Customer
Lexington, US
★★★★★ 5
Wonderful, sturdy shoe
Size: 9 Toddler, Color: Tan
I love this shoe. Unfortunately I ordered a size too small this time, but it really is a great shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 9, 2025
E
Verified Purchase
emily p
Port Orchard, US
★★★★★ 5
Great boots for fall and winter, but too short for deep snow.
Size: 9 Toddler, Color: Navy
This is the second round of these boots I bought for my kids. They are comfortable for all day at school, like sneakers. Perfect for wet days, feet stay dry and warm. They are not snow boots. We live in Boston and they are not for more than an inch or two of snow. I buy separate true snow boots for snow days (much warmer and taller boots).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 3, 2022
H
Verified Purchase
Heather Cook
Grantham, US
★★★★★ 5
Perfect Winter Boots
Size: 8 Toddler, Color: Navy
I bought these for a trip to Iceland for my little one. They held up perfectly to lots of walking and playing! No break in period, and my little one was comfy the entire time! Warm happy feet is what you can expect with these boots!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2022

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