1 set of replacement filters with following :
2 x 5 Micron CTO Carbon Block Filter
Size 9 7/8 inch x 2.5 inch Fits most standard 10 inch size housings and most reverse osmosis systems Remove small particles and carbon fines may pass from second stage & to ensure 100% of chlorine removal from water. Size 9 7/8 inch x 2.5 inch Fits most standard 10 inch size housings and most reverse osmosis systems Remove small particles and carbon fines may pass from second stage & to ensure 100% of chlorine removal from water. 1 X Reverse Osmosis Membrane NSF Certified. 50 GPD R.O. Membrane at 60 PSI We Suggest to change your membrane every 2 years To remove particles down to 1/10,000 of a micron (which is 98% of impurities including Organic, inorganic And chemicals). Total 3 filters, each individually wrapped. Specification: Length: 10 inch (about 254 mm) Outer Diameter: 2.5 inch (about 63mm) Inner Diameter: 1.1 inch (about 28mm) Micron rating: 5 Micron This filter set includes: (x2) 5 Micron coconut shell carbon block filters, 10" x 2.5" inches (x1) 50 GPD Reverse Osmosis membrane