DescriptionReviews Description Material: Aluminium frame, galvanized sheet steel cover and glass wool insulation.Function: It is used for cleaning and controlling of duct systems.Finishing: Standard finishing is natural anodized frame and galvanized sheet steel cover.Electrostatic powder coating or enamel painting is optional.Standard colours are RAL 9010 and RAL 9016.Other colours are available with enamel painting.Installation: Screw system is standard.Standard Sizes: 300x200 - 400x300 - 500x400 Reviews Be the first to review this item There are no reviews yet