1.Reliable quality, 2 Professional service 3.Competitive price 4.Sample lead time:3-5 days 5.Delivery lead time:2 weeks Cross flow fan: 1>Size:100x330mm,50x320mm,50x180mm,2>Voltage :AC 110V, 220V, DC12V, 24V, 48V3>Speed:2000-4000rpm4>Metal housing , aluminum impeller