Hi, any thoughts on this as a starter unit http://cgi.ebay.ie/RO-REVERSE-OSMOSIS-WATER-FILTER-4-POLE-WINDOW-CLEANING_W0QQitemZ350301579194QQcmdZViewItemQQptZUK_HomeGarden_CLV_Cleaning_CA?hash=item518f99e7ba
http://www.purewaterproducts.co.uk/index.php?main_page=product_info&cPath=1&products_id=33