This is a special order item and will ship separately.
Please allow 4 to 6 weeks (typically) for shipping.
1/8" female BSP x 3/8" female BSP. Includes a filter screen and gasket.
The screen is installed first, in the 3/8" portion, then the gasket is installed on top of the screen. The portafilter threads for the spout press against the gasket, sealing it and holding the screen in place.
A 1/8" male threaded pressure gauge is installed into the 1/8" female portion of the fitting.