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iVis Firefly | High
Visibility Hydration
Pack | 2L (70 oz.)


The ideal partner to take on the road when all you need is water, and a small essentials pocket, the Firefly will make sure you’re seen, and will keep you hydrated. Tucked away straps and hydration tube help maneuver around without getting caught.

In stock


Care Free Tm


Cleaning and maintenance is not an issue: Water stays fresh and tasty for days and weeks - just fill, drink, refill.

Grunge Guard Tm

Grunge Guard™

An antibacterial agent permanently embedded in the reservoir’s Glass-Like film keeps your water fresh and clean. It has no effect on the contents, is non-leaching and effective for the life of the system.

Glass Like


The inside of SOURCE bladders is super smooth, 2000% smoother than competitors, and almost as smooth as glass. This helps prevent bio-film buildup in the reservoir.

Taste Free


All SOURCE bladders are 100% BPA and Phthalate free and retain the pure taste of liquids without any plastic flavor. Your water stays fresh, odor- and taste-free for days, even weeks.

Widepack Tm

Widepac Closure

The original user-friendly and air-tight Widepac Slide Closure opens wide, allows easy filling, ice-insertion, cleaning and drying. Appreciated by millions of SOURCE customers for almost 30 years.




Reservoir Capacity

2 Liter

Drinking Valve

Helix Bite Valve

Weight (kg)



The iVis Firefly is developed for professionals in fire fighting, road-construction, airfield operators or mining workers, and ideal for any outdoor-activity where extra visibility is required.

Backpack Features

  • Hard-wearing, durable Fluorescent fabric.
  • Insulated shoulder strap pouch for the drinking tube.
  • Reflective tape.
  • Easy access to filler cap behind a protective cover.
  • Quick Release safety mechanism.
  • Ergonomic low profile design
  • External easy opening filler port fits most pump-style water filters.
  • Insulated reservoir compartment.
  • Helix™ Valve.
  • Tough Nylon shell
  • 2 Liter hydration compartment

WXP 2L Water Bladder

Includes SOURCE 2L WXP hydration bladder with tough 3 layer construction featuring Glass-like™; Taste-Free™ Grunge-Guard™ antimicrobial material.

  • Screw cap opening.
  • Leak-proof Widepac opening for easy filing, emptying and drying.
  • Drinking valve connected with quick coupling, allows quick attachment of accessories like SOURCE UTA Rapid Refill Adaptor, Helix Valve or filters without spilling.

Choose Capacity

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