Round Duct Exhaust Vent

ROUND DUCT EXHAUST VENT

The Round Duct Exhaust Vent a high-efficiency exhaust vent that is a easy-to-install exhaust vent, designed for pitched roofs and compatible with 3” to 4” ducting. It is not suitable for use as a dryer vent.

Benefits

  • Leak-Free Protection – Its seamless design helps prevent roof leaks and water intrusion, protecting the home from moisture damage.
  • Dual-Purpose Venting – Designed to vent both bathroom fans and dryers through the roof, reducing the need for multiple roof penetrations.
  • Improved Airflow – Helps efficiently remove moisture, heat, lint, and odors from the home.
  • Built-In Flapper – The flapper helps prevent backdrafts, outside air intrusion, pests, and debris from entering the vent system.
  • Installation Flexibility – Available with or without an attached collar to fit different installation needs and duct connections.
  • Cleaner Roof Appearance – The low-profile, seamless construction provides a more finished and professional look on the roof.
  • Durability – Made to withstand outdoor weather conditions while maintaining reliable performance over time.
  • Reduced Moisture Problems – Properly exhausting bathroom humidity can help reduce mold, mildew, and condensation buildup inside the home.

Base: 9-1/4” x 11”
Vent Height: 4-1/2”
Vent Width: 5-5/16”
Vent Length: 8-1/4”
Gauge: 26 Gauge galvanized steel.
Finish: Black, high-performance polyester powder-coat for corrosion & UV resistance

Related Products

Related Products

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Our recycled plastic, single-layer ridge vent can be used under shingle ridge caps to keep attics cooler and dryer in all seasons.

Weather-Tite 3-in-1 FlexFit Vent

All the advantages of our FlexFit™ 3-in-1 Ridge Vent plus a non-clogging weather barrier to provide a superior Net Free Venting Area while blocking out moisture, pests, and dust.

150 Round Vent

With 150 square inches of Net Free Venting Area, this no-rust/no-dent no-break polypropylene solution requires only a third of the roof penetrations of typical 50 NFVA vents, saving time and money.
Additional Resources

ADDITIONAL RESOURCES​​

VENTILATION CALCULATOR​​

Calculate the exact amount of ventilation needed for a well-balanced system.

TECHNICAL TOOLS​​

Dive deep into product sheets, diagrams, and full spec breakdowns. 

Roofing FAQ

Learn everything you need to know about ventilation.

Marco Industries