The Hellvape Hellbeast RDA has bottomfeeding function for squonker MODs. The Hellvape Hellbeast RDA has 4-post design for dual coil building. Hellvape Hellbeast RDA 24mm features innovative trinity stepped airflow and 72 air holes for precise flavor, with ample build space and generous post holes,super deep honeycomb intake structure for superior flavor and great air cooling,810 drip tip fits your mouth perfectly and gives you more comfortable while vaping. Features: 510 threading connection with Gold Plated 510 Pin Material: Stainless Steel Build Deck: Dislocation Post Deck Coil Building: Dual Coil Configuration Airflow Hole: 1.2mm x 72 Airflow Type: Trinity Stepped Honeycomb Airflow Drip Tip: 810 Drip Tip Comes with BF / Bottom Feeder / Squonk Pin 24mm diameter with ample build space Trinity stepped airflow design for precise AFC Dislocation post design for counterclockwise coil 72 x 1.2mm air holes to hit the coils directly Deep honeycomb intake structure for superior air cooling Knurled grip to adjust the airflow with ease Wide 810 drip tip for DTL vape experience Bottom feeding pin included for most squonk mods Diameter: 24mm More details of this Hellvape Hellbeast , please check >>> https://www.3fvape.com/47489-.html