From the front page of slickdeals.net today:
Diapers.com offers 3-Sets of Playtex Diaper Genie 3-pk Refills (9 total) for $31.98 when you apply promotional codesLOVE1FREE & BABY16B at checkout. Shipping is free. *Add quantity of 3 to cart and apply both promotional codes. Thanks deals4mykids & slickjang