... clean air, refresh spirit; 6). Kill virus and bacterium; 7). Prevent computer disease caused by radiation; 8). CE, FCC, RoHS certification ... Prevent infections such as H1N1,. Prevent air conditioner diseases, Prevent computer disease caused by radiation · Protect brain and eyes, improve ... silver; Green silver.The range of using: 15-20 m2 7. Packing type. color box packing (packing without aroma liquid ...