PondMaster (4) 1000 & 2000 Carbon & Coarse Poly Pad Replacement Filters | 12202 Complete Set of filter media provides mechanical, biological &amp; chemical filtration Fits all Pondmaster 1000/2000 series filters Contains one polyester &amp; one carbon filter Resists Compacting This filter media would also be a replacement for Pondmaster Kits 02212, 02213, 02215, and 02217