... photos: SpecificationsApplication: HVACR Equipment, Machinery, Air Source Heatpump etc.Function: Ventilation, Cooling, Heating, Air Conditioning, Draft Inducing, Air Refreshing, Air Circulation and so on. Features1 ... .5, Φ102, Φ102.5…and so on. • Good After Sales Service:• Shipment and sample quality tracking includes lifetime & maintenance. Any small ...