An elbow with a 3/4 inch Male BSP thread at one end and a 1/2 inch Female BSP thread at the other.This kit comprises of two components:
3/4 inch BSP Male to 3/4 inch BSP Female elbow
3/4 inch Male to 1/2 inch Female BSP adaptor
Choosing this kit allows easy connection / disconnection and gives you flexibility in future if you decide you’d like to change any of the components for different connectors or different sized pipe.