The Water Filter Men Reverse Osmosis 5 Stage Water Filter System Filter Complete Replacement Filter Cartridge Set 50gpd Reverse Osmosis Membrane 10" 5 micron PP Sediment , 10" block carbon , 10" Granular Activated Carbon , 50gpd ro membrane , inline taste and odour filter Reverse Osmosis 5 Stage Water Filter System filter complete replacement filter cartridge set (5 filters) Spanner Set for housings and membrane housing available in our Amazon storefront which makes changing filters even easier. TheWaterFilterMen branded water filters. CTM-012791588