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Osprey Viper 4

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Osprey Viper 4

MSRP:
$64.00

The Osprey Viper 4 is not available from the stores we monitor. It was last seen October 24, 2013 at CampSaver.com.

If you're looking for a new hydration pack, check out the best reviewed current models.

Specs

Weight 15 oz / 430 g
Capacity 250 cu in / 4 L