... material, 4,F5-F9 Product Character: 1, Aluminum frame and metal frame,2, Material: chemical material and class fiber material, ... to customer's requirementWe are waiting for your concern.Technical data: ModelEfficiencyDimensions/mmPocket No.Net Media/m²Resistance/pa, Airflow ... to manufacture accordingto client's requirement dimensions. F5 aluminum frame polyester bag filter for air-conditioning