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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line
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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line

The Amplitude Smooth series of lines are some of the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance.

The conventional wisdom in fly fishing is that there’s no such thing as a do-it-all freshwater line. The folks at Scientifc Anglers® have something to say about that. The Amplitude Smooth Infinity has the power to bomb out streamers, yet retains delicacy for dry flies. It mends like an absolute dream, and delivers flies at all distances. 

Built a half-size heavy, with a long head and substantial front taper, it’s perfect for everything from trout and panfish to pike and steelhead. There's a reason they call it the Infinity: there is no end to what you’ll be able to do with it.

  • Braided multifilament core
  • Revolutionary AST Plus slickness additive for superior shooting ability and increased durability
  • Extremely versatile general-purpose taper designed for most freshwater species
  • Excellent fly line for trout, grayling, panfish, bass, carp, steelhead, salmon and pike
  • SA-ID innovative line-marking system
  • Made half-size heavy to load fast-action rods, but works well with variety of rod actions
  • Extended head length for long-distance casts and superior mending ability
  • Improved dry tip
  • Welded loops
  • Mottled front taper for increased stealth on Bamboo / Buckskin / Camo line
  • For use in moderate and cold climates
  • Applications: Dries, nymphs, streamers, poppers / big dries
  • Made in USA
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Throughout Scientific Anglers® sixty year history, they have consistently set the standard in premier fly-fishing. From inventing the contemporary floating fly line more than fifty years ago to their specialty core construction and patented AST™ and Sharkskin™ technologies, they continue to transform and modernize the sport.   

At Scientific Anglers, angling scientists and design team members work in partnership with fly-fishing legends to develop cutting-edge technologies and ultimate fly line designs to boost your fly-fishing experience to the extreme.  

Whether you're a beginner or an experienced angler, Scientific Anglers equipment is designed to give you optimum performance with every cast.
Description Weights Length Color Price  

132732 - WF4F

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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line
132732 - WF4F

SKU #:
04552618
UPC #:
840309132732
Weights:
4 wt.
Length:
90 ft.
Color:
Bamboo / Buckskin / Camo
Taper:
Weight Forward
Core:
Braided multifilament
Function:
Floating
Sink rate:
Floating
4 wt. 90 ft. Bamboo / Buckskin / Camo $99.99

132671 - WF4F

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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line
132671 - WF4F

SKU #:
04552584
UPC #:
840309132671
Weights:
4 wt.
Length:
90 ft.
Color:
Optic Green / Mist Green / Buckskin
Taper:
Weight Forward
Core:
Braided multifilament
Function:
Floating
Sink rate:
Floating
4 wt. 90 ft. Optic Green / Mist Green / Buckskin $99.99

132749 - WF5F

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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line
132749 - WF5F

SKU #:
04552626
UPC #:
840309132749
Weights:
5 wt.
Length:
90 ft.
Color:
Bamboo / Buckskin / Camo
Taper:
Weight Forward
Core:
Braided multifilament
Function:
Floating
Sink rate:
Floating
5 wt. 90 ft. Bamboo / Buckskin / Camo $99.99

132688 - WF5F

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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line
132688 - WF5F

SKU #:
04552592
UPC #:
840309132688
Weights:
5 wt.
Length:
90 ft.
Color:
Optic Green / Mist Green / Buckskin
Taper:
Weight Forward
Core:
Braided multifilament
Function:
Floating
Sink rate:
Floating
5 wt. 90 ft. Optic Green / Mist Green / Buckskin $99.99

132756 - WF6F

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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line
132756 - WF6F

SKU #:
04552634
UPC #:
840309132756
Weights:
6 wt.
Length:
90 ft.
Color:
Bamboo / Buckskin / Camo
Taper:
Weight Forward
Core:
Braided multifilament
Function:
Floating
Sink rate:
Floating
6 wt. 90 ft. Bamboo / Buckskin / Camo $99.99

132695 - WF6F

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Scientific Anglers Amplitude Smooth Infinity WF Floating Fly Line
132695 - WF6F

SKU #:
04552600
UPC #:
840309132695
Weights:
6 wt.
Length:
90 ft.
Color:
Optic Green / Mist Green / Buckskin
Taper:
Weight Forward
Core:
Braided multifilament
Function:
Floating
Sink rate:
Floating
6 wt. 90 ft. Optic Green / Mist Green / Buckskin $99.99