This beautiful, custom, laminar flow hood features 3/4" oak and maple wood with "worn navy" blue stain, trimmed out with 1" aluminum. Inside is a 1500 cfm centrifugal blower wired to a speed controller to get it juuuust right with that much power laminar flow is easily achieved as the air is drawn through its pre-filter before being pushed through a 16"x19" 99.99% true hepa filter to provide unparalleled performance whether you're in to mycology, electronics repairs, or just a weirdo that has a taste for ultra clean air, this unit is for you built to last for generations other hoods available upon request got a cool idea for yours feel free to share it and i'll make it happen thanks for looking cheers.