V10 Ceramic Coil Refillable Vape Cartridges Oil 510 Thread Tank, this item is nicotine free - it does not come filled with any liquids.Top Airflow, 510 Threaded with Air Flow. Vertical Ceramic Coils - longer life span than cotton coils, much more pure taste, anti-dry heating, long-term usage without blockage. High quality and clear Quartz glass tube with a 510 thread at the bottom, compatible with nearly all vape pens.. Each atomizer is in Individual PP Container Box for your easy storage. It contains NO NICOTINE or tobacco. Airflow: Top Airflow Filling: Top Filling Tube: Pyrex Tube Capacity: 0.5ml Resistance: 1.2 Ohm Intake Holes: 4*1.5mm Threading: 510 Thread Coils: Ceramic Coils Apply to box mod/battery with output wattage below 20W (15W/16W recommended) Please note: E-liquid is not included, this is only for empty cartridges Top refilling: Screw out the upper part, add e-liquid along the inner wall. Do not fill more than the line capacity, tighten the screw after you finish filling e-liquid to avoid leaking. Leave the atomizer stand upright for at least 5 minutes before connecting to battery and start smoking. Package Content Each cartridge is packed in individual PP Containers with silicone cover. There is no nicotine or tobacco supplied with this listing & is not for sale to under 18's. It is meant for recreational use only & not as a smoking sensation product.