The Free Energy-Saving Showerhead & Aerator offer is available only to CenterPoint Energy residential natural gas customers in Minnesota, Arkansas, Oklahoma and the Texas communities of Texarkana, Wake Village, Red Water and Nash.
You can order a maximum of 3 showerheads and a maximum of 3 aerators.
** Thank you Alex **
FYI: USA (see above locations). Program ends Dec. 15, 2013 or while supplies last