Filling Gun Thin Thick Oil Vape Pen Cartridge Battery Filling Machine Handheld Easy Operate Semi Automatic 25ML 50ML Capacity Choose Bbell Lava Core

1.Using internal heating rod for heating 2.It is an exclusive patent design. After the heating rod is put into the tube, it can reach the set temperature only after several seconds, heat the liquid, and keep the constant temperature effectively. 3.Design of larger oilinlet/outlet nozzle 4.The customized large caliberoil inlet/outlet nozzle makes the concentrated or thin liquid pass easily. 5.360° transparent tube wall 6.The all-round transparent tube wall is convenient for monitoring the status of liquid in the tube at any time..syi