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Built a half size heavy as an all-around general purpose fly line, the Scientific Anglers Frequency Boost gives you that extra help with your cast.

This floating fly line loads quickly, turns over large dries, nymph rigs and steamers with ease. It features a mid-length head that is perfect for nearly all freshwater applications and is ideal for beginners and intermediates alike!

The line features AST slickness that allows the line to shoot farther as it moves through the guides. It also easily sheds dirt and algae for improved, long lasting durability. The braided multifilament core also further enhances durability and the line’s overall strength.

The Scientific Anglers Frequency Boost Fly Line comes in a subtle Willow colour and is available in various weights for you to choose from.

Excellent general-purpose line
Half-size heavy and more powerful than the Trout taper
Better with larger, heavier flies
Supple and easy to use
Versatile mid-length head
Braided multifilament core
Welded loop

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ManufacturerScientific Anglers
Stock LocationS
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Fast and efficient order dispatch ensures your fishing tackle arrives quickly, so you can get out on the water.

All orders placed before 2pm are dispatched on the same working day, excluding weekends and bank holidays.

Delivery is with Royal Mail or Parcelforce depending upon the items weight and size. You can also upgrade your postage to a priority next day service if required.

Click here to visit our help center to learn more about our delivery services.
Our goal at Angling Active is to ensure you are 100% happy with your purchase, this includes after sales care too.

We understand that once your purchase arrives, it may not be exactly what you were expecting or you may have simply changed your mind.

Don't worry just return the item to us within 90 days for a full refund or exchange. All that we ask is the item is returned in exactly the same condition as when we supplied to you.

Once this 90 day period is over your purchase can no longer be returned unless it has developed a fault covered by warranty.

Please see our returns policy for more detailed information or to arrange a return.
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Angling Active is a trading name of Angling Active Ltd, a company registered in Scotland. Company no: SC194095, VAT Registration No: 743015857,
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