... 1 inch male and female main tube threaded connection, 16mm/18mm PEX-AL connection 2 way manifold brass stop valvePex pipe connectionABS switchWe ... and 4 way for 16mm and 18mm AL-PEX pipe.Main Features,Main tube connection, MXF, 3/4 and 1 inch ( ... pressure2 way, 3 way and 4 way distributionThread connection with BSP, NPT optionalAL-PEX union connection, size 16mm, 20mm or customizedWorking Temperature - ...