The Cog MTL RTA by Matt from Suck My Mod and Wotofo is a single coil RTA designed for flavour chasers. The Cog RTA has a unique airflow controlled by a cog system, which is visible through the base of the RTA. The direct under coil airflow control provides a restricted mouth to lung hit full of flavour. With the Cog MTL RTA you can enjoy your nicotine salts all day long with the generous 3ml tank capacity.