Limitless Gold RDTA – 25mm – Interchangeable Decks The Limitless Gold RDTA is the newest release from Limitless Mod Co. The Limitless Gold RDTA is an upgraded version from the original Limitless RDTA and comes in a solid black color with deep Limitless engraving. It has a 25mm base with a unique bottom airflow design that shoots the air directly under your coils, as well as top adjustable airflow control with Limitless triangles as your airflow slots. The Limitless Gold RDTA will soon have a wide variety of interchangeable deck options available and will come in a wide variety of colors. The Gold Limitless RDTA is NOT manufactured by ijoy.