The Smok Nord 50W Empty Pod Cartridge,3 pieces per pack, does not includes the coils. The Smok Nord 50W Pod Cartridge has Three refillable pods of 4ml(Nord 50W LP2 Pod),4.5ml(Nord 50W nord Pod),and 4ml(Nord 50W RPM Pod). The Three Pod Cartridge all compatible with Smok Nord 50W Pod Kit. The Nord pod compatible with Nord coil series, and the LP2 pod compatible with LP2 coil series with enhanced leak-proof technology.When the meshed coil gets in touch with the saturated cotton, delightful taste with smooth flavor and rich vapor arises spontaneously.When the coil is inserted into the pod,the specially designed base part of the pod can lock the e-liquid and the condensate generated during vaping, helping to further prevent leakage.