1-1/2" BSP Poly / Plastic Washer

1-1/2 inch poly washer.

Note this size refers to a British Standard Pipe Thread.

This washer fits OVER a 1-1/2 inch male BSP thread, the washer itself does not measure 1-1/2 inch.

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