Insulated crossbeam, height adjustable on the air-termination mast standpipe with pipe clamp and clamping head for the discharge, Insulated crossbeam: glass fibre reinforced plastic (GRP), Ø 32 mm, crossbeam length: 800 mm, pipe clamp: stainless steel V2A, Ø 42 mm, clamping head: aluminium, Ø 8-10 mm, line connection