The MSR Simmerlite Expedition service kit is your key to ensuring the longevity of your Simmerlite Stove. It comes complete with everything you need to maintain your stove. The MSR SimmerLite Expedition Service Kit is intended for hardcore users or people going on extended trips. The Expedition Service Kit is a comprehensive maintenance and repair kit for your SimmerLite stove. Get the MSR Simmerlite Expedition Kit today and be ready for your next outdoor adventure.