Reducing Elbow PM211210E 12mm Elbow Reducer 12mm-10mm £0.95 S1031012S 5/16 - 3/8 SS elbow connector POA PI211210S Reducing elbow, 3/8" OD x 5/16" OD £1.02 PI211006S Reducing elbow, 5/16" OD x 3/16" OD £0.74