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The Parker 391P-4-4 couplers are crafted from brass and feature a chrome-plated finish. These fittings are designed for reliable connections in piping systems.
These couplers are ideal for use with thermoplastic tubing and offer easy hand tightening with a knurled nut.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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