If you live OFF post and have Center Point Energy, they are giving away free shower heads and faucet aerators to help save energy and water as well.

http://www.centerpointenergy.com/services/naturalgas/residential/efficiencyrebatesandprograms/lowflowshowerheadandfaucetaeratorrebates/OK/# 

thanks Shelley! I requested mine today! I LOVE FREEBIES! 

Me too Tish and I'm all about saving some money on water bill and gas bill :) 

Whoohoo! Awesome freebie. Thanks for sharing :D 

You're very welcome. Got the info in an email/newsletter type thing from CPE