Scientific Anglers AirCel General Purpose floating fly line. Air Cel fly lines have performed well and provided a great value for decades. Paying for quality has never been this easy or this affordable. These lines feature all the properties needed in a fly line: good flotation, durability, and tapers that work well for trout, panfish, and bass species. Welded loopThe original modern floating fly line, now with a front loopDependable flotation and durabilityRaised bump in handling section to indicate the ideal place to begin the castMid-length head for general fishing situationsBraided multifilament core