I bought this http://www.costco.ca/Browse/Product.aspx?Prodid=10300389&whse=BCCA&Ne=4000000&eCat=BCCA|589|770&N=4009984&Mo=11&No=6&Nr=P_CatalogName:BCCA&cat=22289&Ns=P_Price|1||P_SignDesc1&lang=en-CA&Sp=C&topnav= for my mom. Not sure whether it is helpful for your case or not.
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