It is enamel coated and oven-baked for scratch resistant.ĪLD Linear Diffuser is a very popular choice for many cooling, heating and ventilating application, and it is designed to handle large volumes of air with good throw patterns, acceptable pressure drops and sound levels. The Linear Diffuser is designed to withstand rough handling without distortion. Model ALD series Linear diffusers are constructed from highly corrosion resistant extruded aluminium.
