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
UL · CE · M1
1 of 3 UL-listed in China
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, CE, M1, ROSH, and AWTA depending on the product line. View certifications.
Need custom round metal?
OEM manufacturing, custom dimensions, private labeling. Quote within 12 hours.