12 mm coarse thread NOT 1/4″ M BSP. Some have a small M4 thread blind orifice at the top that’s not used anymore.
SALE
Faema Compact/No Stop/E-64/66/P-4/6 Group Head Cap
Original price was: $5.09.$1.53Current price is: $1.53.
Related products
-
SALE 
Astoria Argenta Pressure Gauge
Original price was: $60.13.$18.04Current price is: $18.04. -
SALE 
Astoria Complete Ergonomic Portafilter
Original price was: $59.45.$17.84Current price is: $17.84. -
SALE 
Lower/Front Rubber Stopper for Lever
Original price was: $10.15.$3.05Current price is: $3.05. -
SALE 
Stainless Steel 5 Gallon Fresh Water Tank with Quick Connect
Original price was: $175.00.$43.75Current price is: $43.75.