I use the PC brand filters from Maxi grocery store.
It is probably available in Provigo stores too.
<!--StartFragment --><TR height="103"><TD style="ADDING-BOTTOM: 10px" valign="top" align="center"></TD></TR><TR height="40" align="center"><TD valign="top" align="center"><TABLE id=Layout_PCSearch1_dataListSearch__ctl2_ProductURL cellSpacing=0 cellPadding=0 border=0><TBODY><TR vAlign=top align=middle><TD>PC Universal Water Filter System</TD></TR><TR></TR></TBODY></TABLE></TD></TR><TR><!-- To make sure that View All link appears in one line --><TD width="100%"><TABLE cellSpacing=0 cellPadding=0 align=center border=0><!-- New Icon --><TBODY><TR><TD id=Layout_PCSearch1_dataListSearch__ctl2_ColNewIcon style="ADDING-RIGHT: 26px" vAlign=top align=middle></TD></TR><TR><TD class=subcat_price_red id=Layout_PCSearch1_dataListSearch__ctl2_colRegularPrice style="ADDING-RIGHT: 26px" vAlign=top align=middle>$9.99</TD></TR></TBODY></TABLE></TD></TR>
<!--StartFragment --> <TR><TD colspan="2">Our universal water filter will provide up to three months of fresh, filtered water. It fits our PC universal water pitcher and most other popular models. Reduces chlorine, lead, copper and zinc. Specially treated to control bad tastes or odours and also inhibit the growth of bacteria. A simple solution for better-tasting drinking water! More Information</TD></TR> <!--end short descripition--><!-- ratings --><!--end ratings--><!-- prices --><TR><TD valign="top"><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD class=subcat_price_red style="ADDING-RIGHT: 10px; PADDING-BOTTOM: 10px" vAlign=top width=205>$4.99-12.49</TD></TR></TBODY></TABLE></TD></TR>