... attractive design, take no space. Indoor Negative Ionizer with Filter Installation: Plug in the power socket, If the ... Save energy only 2W.6. Safety night light with soft glow. Function:1. In the small ... offensive odors. YL-100C, fill up the air with negative ion, catch the positive particles, and activate ... fungal spores. There is no need to replace filter material at all. To clean the collector, simply ...