we produce the air filler for range hood, and filter for air condictioner system tenlun range hood has high filtration effiency.OEM service, size and material as customer's demand. we have got Rohs,UL900 certification.specification:surface: 0.5mm stainles steel. thickness:9mmthe width and the length can be changed;joint by frame and the filter tank:spanner can be adaptedrete of air flow: 8.7 ...