LOST VAPE URSA PRO POD Check out the Lost Vape URSA Pro Pod, compatible with the larger UB Pro Coil Series, with a side-fill method and a 7mL capacity. One is included in each box (the coils and 510 tank adapter are sold separately). Only UB Pro Coils are compatible with the URSA PRO Pod. It is not suitable for use with UB coils. https://www.vapeuniverse.co/products/lost-vape-ursa-pro-pod?pr_prod_strat=e5_desc&pr_rec_id=3d46234a1&pr_rec_pid=8288769704188&pr_ref_pid=7846690259196&pr_seq=uniform