DN 50 perpendicular to the highly fire-resistant sealing of ceiling penetrations in solid ceilings up to 120 minutes. Classification according to DIN EN 13501 for fire protection class El 120. Set consisting of: fire protection collar, 2 cross-slotted head screws, identification plate. Required core hole drilling: diameter = 130 mm (minimum diameter = 129 mm, maximum diameter = 133 mm). Application: solid ceilings from 150 mm to 325 mm ceiling thickness. Connecting pipe: PP-HT pipe according to DIN EN 1451 (minimum length 100 mm). No grouting or filling of the interspace required. Compatible with all TECEdrainline channels and covers.