Device duct inside corner 90°, single-section, symmetrical, with two continuous mounting profiles in the back section and continuous perforation in the duct back, including two duct couplings KUV, butt connector BSV65 for exact connection to the duct base please order separately.certified! Dimensions (approx. dimensions) H x D: 105 x 66 mm Lid opening: 80 mm Outside leg length: 198 mm For device duct base: BU651058... Material: PVC-hard (polyvinyl chloride) Color: pure white RAL: 9010 (similar)