Vaporesso GT CCELL2 stainless steel and ceramic coils 0.3Ω Ohm is your best choice for huge clouds, and these coils absorbe so little juice you would not believe it!  Compatible with Vaporesso tanks: NRG tank, NRG Mini tank, NRG SE tank, Cascade tank (GT coil adapter required), Cascade Mini tank, Cascade Baby tank. Wattage range 35-40W.