Scientific Anglers Sonar Saltwater Intermediate Fly Line - Full ClearThe Scientific Anglers Sonar Saltwater Intermediate Fly Line Full Clear is built for anglers who want a stealthy presentation in warm saltwater conditions. Designed to fish just below the surface, this intermediate fly line helps deliver flies to wary redfish, bonefish, permit, tarpon, snook, and striped bass without spooking them. Key Features Clear Intermediate Head: A slow sinking, full clear head cuts through the surface for subtle, low visibility