4" NPT lid allows 1/2" NPT connection to the 4" AFS filter housing. This is useful in systems not vertically integrated that connect between column units with hosing. These allow for mounting of AFS CRC inline between 1/4" NPT hoses. This unit is flat used on the output of the CRC housing.
Input lid with shower head can be found here.
AFS Filters come
- Easy to use
- No clean-up