Bonsai Laminar Flow hoods Versus FFU's (Fan, Filter Units) What's the Difference?

Whats right for you? FFU's versus Laminar Flow Hoods. A quick look at the key differences and Pro's and Cons of each.

[@shanman1221]

Is there a reason one couldn't add a plexiglass shroud around the FFU in order to minimize unfiltered air mixing with the filtered air?

[@riding_with_hobbs]

Do y’all’s kits come pre sanatized