TFB-Y102Dj1 AC220V TUV/CE Cold Plasma Ion Generator for Food Freshing--

1. put the ion generator very near the air outlet 2. make sure there is no cover before the ion head, because ions fly only directly when it was released, and then will be adhere by positive particles in the air. to live longer time, don't cover anything before it. 3. if you want lattice window before it, make sure the head is in the middle of the window instead of barrier. size:54 x 40mm Material:plastic colour:black Package Contents: 1 x Plasma generator Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.