Everpure 4FC-P Flow Restrictor for QL3 Head

Flow restrictors for Everpure 4FC-P cartridge when using QL3 head. 

If you're upgrading your Everpure filter to the 4FC-P for PFOS/PFAS reduction but still want to keep your old QL3 head, you can do that by using this adaptor.

The adaptor is a push fit style fitting with 3/8" male thread and 3/8" push fit end.