1/4" (6mm) Pipe to 1/8" Thread (Male) Straight - Quick Fit type

1/4" pipe to 1/8" Male thread Straight on membrane housings (Quick Connection Type)

This fitting is typically used to connect 1/4" (Inch) pipe to 1/8" female thread on things such as the inlet & drain outlet for 1812 Domestic RO Membrane housings or Domestic UF membrane Housings (keep in mind that the " product water" side of the membrane housing is typically a non-return/check valve).   This fitting uses a " quick fit" push-in fitting to secure the piping to the fitting.