Geekvape Mero Pod Cartridge is specifically developed for the Geekvape Mero AIO Kit. Mero Pod holds up to 3ml of e-liquid. To inject e-liquid, simply lift up the sealing ring around the top of the pod. The Mero pod accepts coils from the Boost Series Coils from the bottom and can install them in a plug 'n' play manner, making changes quick and straightforward. https://www.vapeuniverse.co/products/geekvape-mero-empty-pod?pr_prod_strat=e5_desc&pr_rec_id=07507a185&pr_rec_pid=8277913501948&pr_ref_pid=8524573737212&pr_seq=uniform