Geigerrig Pressurized Hydration Engine and Reservoir 3 Liter (100 oz.) capacity to spray to drink, cool, clean, and share Slide top and wide open mouth for fast refill Reversible, dishwasher safe reservoir Lifetime warranty against leaks and reversible / dishwasher safe reservoir for easy cleaning Filter ready for use with the Aquamira Frontier Max filter or Geigerrig filters (Not included) Spray to drink Spray to cool Spray to share Spray to clean Easy clean dishwasher safe reservoir