Consists of rigid PPH pipes and molded parts Ø80-315 with 45°, 87° branches Ø60-250mm (Var. 1), concentric rigid PPH/steel powder-coated in white pipes and molded parts Ø110/160-200/300 with 87° branch Ø60/100 and 80/125mm (Var. 2) and accessories, especially suitable for boiler cascade connections in indoor areas, sleeve connections with EPDM seals