Metal filter wrench for Aqua Pure Stainless Steel Filter Series. Tired of that tiny metal wrench? Sump stuck? We finally have a solution. Our metal filter wrenches will not bend, will not break, and are longer than the standard filter wrenches for extra leverage. Made from nickel plated galvanized steel. Rubberized grip. Metal Wrench #9 fits AP1610SS, AP2610SS, SST1, SST1HA and SST2HB (not a Cuno product, wrench pictured is slightly different than the one you will receive) Product may take longer to ship.