Bowman's Tin Shop, Inc. - Checkout this 4 foot by 8 foot welding exhaust hood we fabricated and installed!! That is 30 inch diameter spiral pipe that runs up to a roof
Range Hood Insert 30 inch, IsEasy Built-in Kitchen Hood With 600 CFM, – Iseasy Brand Flagship Store
Amazon.com: Car Hood Vent louvers Cold Air Flow Intake, Air Vent Cover, Bonnet Cooling Trim Black Air Intake Panel Cover Car Exterior Trim for Auto Repair Shop Hood Panel Trim : Automotive