The Geekvape N Cartridge Replacement Pods (2pcs/pack) are designed for the Geekvape Aegis Nano 30W Starter Kit and the Geekvape AN 2 (Aegis Nano 2) Kit 1100mAh. These pods feature a 2mL refillable capacity and an integrated coil, available in 0.6ohm and 1.2ohm options. Both the regular and upgraded versions are compatible with the first and second generations, with the upgraded version offering an improved structure to reduce oil leakage.