1/4"bsp FEMALE dust cap

19 TPI

3/8" BSP FEMALE  DUST CAP 

19 TPI

1/2" BSP FEMALE DUST CAP

14 TPI

3/4" BSP FEMALE DUST CAP 

14 TPI

1" BSP FEMALE DUST CAP 

11TPI

1-1/4 "BSP FEMALE DUST CAP 

11 TPI