APSWATER Now merged with ResinDepot.com 800-460-9011 Toll Free Home | Products | Tech Info | About US | <% if session"history"<>"" then end if %> Want a less complicated site? Try Here Welcome to our new high speed version of our website. This site contains less detailed info to make it faster and uncluttered. For more detailed info Return to the standard site View Cart Residential R O Systems - Spare Parts - Replacement Filters and Membranes APS ULTRA Brand RO Membranes feature rejection rates of 98-99% and the best consistency available. These membranes are designed to fit most standard residential reverse osmosis systems Guaranteed one year shelf life with no biological growth. Storage Tanks Water Softeners Iron Filters About Reverse Osmosis Systems SubCategories Residential Reverse Osmosis Systems - Replacement Filters Residential Reverse Osmosis Systems - Replacement Membranes Residential Reverse Osmosis Systems - Spare Parts updated : 12/24/2008 : 3:05:52 PM Legal, Disclaimers and Trademark Information