Umarex USA 2211382 Nitroair Prefilled Nitrogen Cartridges Umarex Komplete Rifles 2Pack

NitroAir is the first pre-filled cartridge loaded with compressed nitrogen gas for use with N2-designated airguns. Compressed to 3,600 psi this two-pack has 32 grams of nitrogen (N2) in each cartridge and works seamlessly with the Umarex Komplete NCR, the very first N2 cartridge PCP air rifle. NitroAir cartridges are not for use with CO2 airguns.