i think it would be best to buy from a local seller. Here's were I got mine from and it works http://www.ebay.com/itm/261449611784?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
Breast Nexus is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.