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Title: I Won't Fly Longhauls Without It!
Review: I've used the Plane Clean Air Filter on 4 Transatlantic flights and have avoided coming down with the cough/sneeze/upper respiratory I seemed to always catch previously. The adapter worked well on different aircraft, and the Flight Attendants (far from asking me not to use it) asked me where THEY could buy one! It left no residue or damage on the plane's air vent, and once I adjusted it properly, created a curtain of filtered air over me. I'm sold on this product ... it's definitely worth a try.
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