Features:
1) Spray welding wire used in-house fixed, the election may be aluminum frame, galvanized frame, stainless steel frame
2) Filtration material may choose to use single-or double-layer and multi-layer nylon
3) The pre-filter ventilation system to prevent large particles of dust or debris into the air conditioning
4) Heat-resistance up to 80℃
5) Moisture-resistance up to 100% RH