The Airflo Super Dry Bass Muskie floating line helps anglers cast bird sized flies to predator fish. The Bass/Muskie has a beast's aggressive front taper, thick tip and long rear taper.
Airflo never uses PVC in it's fly line manufacturing. Instead lines are mde from Polyurethane - an inert, stable, fully recyclable material that requires no plasticizers and last far longer than PVC.