Brass “Y” regulator gas splitter.
1/4 MPT to 2 individual 1/4 FPT.
Attach this to your gas regulator and use two aircocks to split your gas line to go to 2 kegs. (This item may or may not be plated brass depending on supplier)

California Proposition 65

Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.