cross flow fan 1.wide rage sizes, the length can be adjusted as customer's request 2. stable motors 3.quiet, big air flow cross flow fanFeatures: low noise: long lifetime: low flow rate: small shape:lower power consumptionUsed: Electrical Fireplace, Oven, Wallcooler, Microwave, Shower Room, Dish Washer,etc.Material: aluminium alloy, or as customer's request