20*1/2"Female PPR Elbow Application: for drink water using. Size: L20*1/2F,L20*3/4F, L25*1/2F,L40*1F ... male elbow , female elbow, coupling , straight-through , Pipes.Application: 1.For pure drink water system2.Cold water and hot water ... than 50 years ,and if for cold water (below 20 degree), can reach 100 years. 4. Easy to install ... help in PPR PIPE line !Photos for reference: 20*1/2" Female PPR Elbow