wall air register: 1.Professional design for prevent mosiquto & spider; 2.Fashional air vent outline design; 3.Pass ISO9002. Product description: Name:2013 new design wall air register Type:Household ventilationModel Number:DHF025Size:external frame: 400*400mm, 350*350mm, 300*300mm, 247*247mmMaterial:Plastic(PS, ABS, PC etc.)Color:optionalPrice:Get Latest PriceMinimum Order Quantity:50 ...