Serious adventure requires serious access to water. The Aquamira Pressurized Reservoir isn't your average reservoir. It's specialized to ensure that wherever your journey takes you, you can bring life-giving water with you.This reservoir is pressurized so you can spray to filter, drink, cool, clean, and share. It's reversible and dishwasher safe.The Frontier MAX housing is also FREE with every reservoir purchase. Compatible with Series IV filter cartridges (sold separately). No matter where you're heading, there's a filter for every adventure.But it doesn't stop there! The Aquamira Pressurized Reservoir makes an excellent addition to your emergency supplies. Portable, convenient, and reliable, take it with you when disaster strikes and never be left without a way to carry potable water.