Scientific Anglers Sonar Saltwater Intermediate is slow-sinking, clear-headed line for saltwater fly fishing. From coastal SeaTrout to Tropical flats and reefs, this line will do it all.

Slow sink rate gets just below the surface Engineered for use in salt water; the perfect stealthy line for Bonefish, Permit, Tarpon, and Redfish; also useful for Snook, Sea Trout, and warm water StripersClear head provides excellent stealth when targeting wary fish in clear water Built a half-size heavy for quick loading; use designated line weight for your rod Intermediate running line Sink Rate: 1.25 ips (Intermediate) Tropi-Core technology remains stiff and slick in tropical environments