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This John Guest flow restrictor fitting is installed in Everpure QL2 or QL3 Heads on the outlet port to increase, the flow from .5 GPM to 1 GPM.
The same fitting without the flow restrictor is installed on the inlet port of the QL3 Head.
Fitting can also can be used for other applications where 1 GPM Flow is needed.
The fitting accepts 1/4" OD Plastic of Copper Tubes and has 3/8" MPT.
This fitting is made of the following components: