The Joyetech Cubis Pro LVC replacement coils are implement a liquid valve control feature that allows the vaper to simply rotate the ring on the base to adjust the liquid valve. This feature is ideal when adjusting according to your VG juice percentage. These 1.5ohm coils provide a great mouth to lung experience with exceptional flavor output and are compatible with your Cubis tank, Cubis Pro tank and eGO AIO. Be sure to stock up on your 5-pack of Cubis Pro LVC Coils by Joyetech today!