... , portable Cordless plug, compact, attractive design, take no space. Indoor Negative Ionizer with Filter Installation: Plug in the power socket, If ... . YL-100C, fill up the air with negative ion, catch the positive particles, and activate oxygen, neutralize offensive odors and kill bacteria. It ... : 80 pcs/ctnGW/NW of Carton: 23 / 21 kgs Indoor Negative Ionizer with Filter