Single Coil Adapter for Sqx Squape X Dream RTACompared to the deck X this deck SC (single coil) is a plain single coil deck and absolutely excellent for mouth to lung vapers, but can also be used for restricted direct lung hits (SQuape R or Rs style). 

replacement-single-coil-adapter-for-sqx-squape-x-dream-rta-rebuildable-atomizer-black-aluminum