Features & Specifications: -Size: 25x 48.5mm -Top filling method -510 thread connection -Adjustable side airflow -German PEEK insulator -E-liquid capacity: 3.5ml/ 5.0ml  Features: -Easy to wick, easy to build on -Unique deck-chamber linkage system -Non-stop flow and rapid e-liquid feeding -Optimized from the Profile RDA build deck -Steady air intake, coil-focused air supply -Phenomenal flavor production, all tastes locked in -Powered by nexMESH OFRF, the triple density mesh coil -Thick resin drip tip, airy draw with dissipated heat -Tongue & Groove cap design, easy refill and quick sealing -Bi-level juice port structure, ingenious juice flow system