The Muc-Off Inflator kits help riders quickly inflate their tires and quickly get back to riding in no time. Each kit contains 2x cartridges, 1x compact and durable CNC-machined inflator head with soft-touch press down button which easily controls CO2 release. Dual head nozzle compatible with Presta and Schrader valves and 1x neoprene sleeve to help avoid freeze burn.