GAF MasterFlow Plastic Mini Circular Louver Vent, 4 in., White (RLSC4)4 in. Plastic Mini Circular Louver Vent Compact MasterFlow circular louver vent designed for hard to ventilate or restricted areas. Durable plastic resin construction in white with 5. 17 sq. in. net free vent area for reliable airflow. Key Features: Compact Venting Solution: Recommended for hard to ventilate or restricted spaces Durable Construction: Made from plastic resin to resist corrosion and weathering Efficient Airflow: Provides 5. 17 sq. in.

4 in. Plastic Mini Circular Louver Vent

Compact MasterFlow circular louver vent designed for hard-to-ventilate or restricted areas. Durable plastic resin construction in white with 5.17 sq. in. net free vent area for reliable airflow.

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Key Features:

• Compact Venting Solution: Recommended for hard-to-ventilate or restricted spaces
• Durable Construction: Made from plastic resin to resist corrosion and weathering
• Efficient Airflow: Provides 5.17 sq. in. Net Free Vent Area (NFVA)
• Clean Finish: White color blends with soffits and exterior trim
• Easy Identification: 4 in. diameter mini louver fits common cutouts

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Specifications Table:

Specification	Details
Manufacturer Part	RLSC4
Product Number	GAFRLSC4
Brand	GAF
Color	White
Diameter	4 in.
Base Material	Plastic Resin
Style	Ventilation and Drainage
Net Free Vent Area (NFVA)	5.17 sq. in.
Area	5.17 sq. in.
Applicable Standards	CSA Approved
Unit of Measure	PC
Item Weight	0.0729 lb
Product Name	MasterFlow Plastic Mini Circular Louver Vent

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Frequently Asked Questions (FAQ):

Q: What size hole do I need for this vent?
A: It’s designed for a 4 in. diameter opening.

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Q: What is the net free vent area (NFVA)?
A: The vent provides 5.17 square inches of NFVA.

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Q: What material is the vent made of?
A: Plastic resin, which helps resist rust and corrosion.

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Q: Is this suitable for intake or exhaust?
A: It can be used in ventilation applications for restricted areas; consult local codes and your system design for intake vs. exhaust use.

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Q: Is it approved to CSA standards?
A: Yes, it is listed as CSA Approved.

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A Sleek Whisper of Airflow

This petite circular louver slips into a façade with effortless poise, lending a clean, architectural note while quietly moving air where you need it most. The crisp white finish and fine horizontal blades feel modern and unobtrusive. Cluster a series along soffits or paint to match trim for a bespoke, seamless expression. It’s a tiny detail that elevates function to a refined essential of comfortable living.

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Bring efficient airflow to tight spaces—add this 4 in. MasterFlow mini louver vent to your project today.