Grayl Water Filter Replacements best-seller The Storm Whistle is twice

The Storm Whistle is twice as loud as any other mouth blown whistle in the world

Interior Dimensions: 5"x 3

Here we offer the 35g packet but we also offer the 15g packet in this category

emergency litter or overnight shelter against the weather

Grayl Water Filter Replacements best-seller The Storm Whistle is twiceGrayl Water Purifier Filters are designed for the Grayl Legend Water Purifier Bottle and the Grayl Quest Water purifier Bottle. There are three filters available, depending on how much protection you think you need: Grayl Travel (the most protective), the Grayl Trail (the middle tier of protection and the most popular) and the Grayl Tap (desinged for urban use). The Grayl Travel Purifier Filter (orange in color) is the ultimate in filtration and