New Gas Pressure Regulator 3/4" x 3/4" Natural 4" LP 10" Harper 4600S0004 4673G0010B

This is a new NG/LP gas regulator.

Some information from online:

For use with Natural or LP Gas.
Number on valve is 4673G0010 B.
Replacement for Harper Wyman number 4600S0004.
3/4" Female NPT
4" Water Colum for Natural Gas.
10" Water Colum for LP Gas
Rated up to 200,000 BTU