Round Metal Vents & Diffusers

Round stainless steel and galvanized metal vents — bull-nose exhaust hoods, flat wall caps, louvered vents, and adjustable disc valve diffusers.

Stainless steel / galvanizedRound profileWeather-resistantCommercial grade
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Technical guides

Learn more about round metal

Weather-Proof Louver Guide

Round and rectangular exterior vents

Fresh Air Intake Louver

Intake sizing and weather protection

FAQ · Round Metal

Round Metal Vents & Diffusers — FAQ

What is the MOQ for round metal vents & diffusers?

Standard items start at 100–500 pieces. Custom or OEM orders usually require 500–2,000 pieces. Contact us for exact pricing.

Do you offer OEM/ODM for round metal vents & diffusers?

Yes. Custom dimensions, materials, finishes, and packaging. We have been an OEM partner for global HVAC brands for 20+ years.

What is the lead time for round metal vents & diffusers?

Standard items: 15–25 business days from China. Custom/OEM: 30–45 days. US spiral ducts: 5–10 days from Houston, TX.

What certifications do your round metal vents & diffusers have?

UL, CE, M1, ROSH, and AWTA depending on the product line. View certifications.

Custom manufacturing

Need custom round metal?

OEM manufacturing, custom dimensions, private labeling. Quote within 12 hours.

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