1/2" BSP Male x 3/8" BSP Female Brass Adaptor With Washer

1/2 inch x 3/8 inch BSP brass adaptor with washer.

Useful for adapting the 3/8 thread on European toilet ballcock / float valves to the (more common in the UK) 1/2 inch size.

** BSP thread sizes are measured a special way - have a look at our information page for more details **