KF 90 Degree Elbows are used to change the direction of the pipework as required.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 90 Degree Elbows are supplied in a sealed plastic bag with protective plastic caps.KF 90 Degree Elbows are manufactured to the ISO Standard and are compatible with other suppliers’ products.