YFTK Monarchy J3S RTA Replacement Air Insert - PEEK, 1.0mm + 1.2mm + 1.5mm (3 PCS)

The YFTK Monarchy J3S Style RTA Replacement Air Insert is made from PEEK and in 3 size: 1.0mm + 1.2mm + 1.5mm. With this air inserts, the YFTK Monarchy J3S Style DL RTA will be switched into MTL RTA (mouth-to lung vaping).