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.
Source Round Metal Vents & Diffusers wholesale — factory direct
Manufactured in Dongyang, China. No trading companies, no middlemen. Airwise has supplied HVAC distributors and contractors across 60+ countries for 25+ years.
100 pcs
Standard catalog items
25–35 days
Sea freight ex-China
By product
UL certification not yet obtained
60+
Countries served
Distributors & wholesalers
Source round metal vents & diffusers by the container. Standard stocking assortments or a custom size and finish mix. Monthly recurring orders with priority production queue.
Mechanical contractors
Project-based round metal vents & diffusers orders. We review your mechanical drawings and recommend the right models — free on orders over 100 pcs. Custom sizes available.
OEM & private label
Manufacture round metal vents & diffusers under your brand. Custom dimensions, finishes, packaging, and documentation. Dedicated production runs from 500 pcs.
Learn more about 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 certification has not been obtained; a new application is planned for November 2026. CE, M1, RoHS and AWTA documentation varies by product. Ask for documents for your item.
Need custom round metal?
OEM manufacturing, custom dimensions, private labeling. Quote within 12 hours.






