THMOOTHER 5-Pack 3.3FT 100CM Big U Shape LED Strip Diffuser Aluminum Channel System,Double Row Tape Light Milky Cover Profile,23.5MM Wide Surface Mount Anodized Track Housing Fit for Philips Hue Plus - -
ALUMINIUM DOUBLE CHANNEL DOUBLE U PROFILE TWO SIZES 7 LENGTHS | eBay
Aluminum Channels: Types of Channels, Finishes, Types of Aluminum, and Characteristics