VandyVape Pulse 24 BF RDA Tank, is a unique 24.4mm diameter bottom feeding RDA for squonker devices. The Pulse RDA features a pre-installed squonker pin and also a 510 contact pin adapter so you can use the Pulse RDA like a dripper. It features a postless build deck for single coil builds. The low profile design allows for easy and varied coil builds. The unique side airflow design blows air directly onto your coil.