QC1234SET CPS HFO1234yf Manual Coupler Set 12mm Fittings. 6 latching balls provide superior alignment. 12mm female thread. Used with HFO1234yf machines and manifolds.

Warning: This product may 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