2. Make sure that not a cover before the ion head, because the ions fly only directly when released and then adhere by positive particles in the air. so that more time, do not cover anything sooner. 1. Place the ion generator very close to the air outlet 3. If you want a lattice window before, make sure the head is in the middle of the window rather than a barrier., Weight: 0.08708259349 Pounds, Manufacturer: Rtxbvg