... "100Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met&Imp AC109.6-127.8M12*1754"150Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met& ... 2008"250Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met&Imp AC272.0-289.0M12*21510"300Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met& ... Imp AC322.9-339.4M12*21512" Ductile iron end ring steel or ductile iron sleeve ...