1 set of replacement filters with following : 10 x Standard Inline Carbon Cartridges Dimensions: 2 inch x 10 inch – Fits all Reverse Osmosis Systems Filter Media: Base T33 Activated Granular Carbon 10 micron nominal filter rating. Removes Chlorine , Bad Taste & Odor ,Turbidity ,Sediment ,THMs and Dirt. Used to polish the taste of water in reverse osmosis systems (final stage), ice makers, refrigerators and drinking coolers. Max Flow Rate: 0.5 GPM Max Pressure: 125 PSI Max Temperature: 100°F Inlet/Outlet: 1/4 inch NPT Total 10 filters, each individually wrapped. 1 x GAC 10″ Coconut shell Carbon Filter Size 9 7/8″ x 2.5″ – Fits most standard 10″ size housings and most reverse osmosis systems. Remove Chlorine, Turbidity, Bad Taste & Odor, Sediment, Dirt, and THMS from water. Thick Wall Coconut Base Carbon Filter Media – 100% coconut shell carbon Designed For maximum contact between the water and carbon. 1 Micron filter membrane included to prevent carbon fines to pass from the filter to your drinking water. Operation Temperature: 40°F to 125°F 1 x CTO Carbon Block Filter Size 9 7/8″ x 2.5″ Fits most standard 10″ 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 Standard Inline Carbon Cartridges Dimensions: 2″ x 10″ – Fits standard Reverse Osmosis Systems – 10 Micron Nominal Removes Chlorine , Bad Taste & Odor ,Turbidity ,Sediment ,THMs and Dirt. Helps to polish the taste of reverse osmosis water (Last Stage), Ice maker Refrigerators Drinking Coolers Max Flow: 0.5 GPM Max Pressure: 125 PSI Max Temperature: 100°F Inlet/Outlet: 1/4″ NPTF thread (fitting is required) 1 X Reverse Osmosis Membrane NSF Certified. 50 GPD R.O. Membrane at 60 PSI We Suggest to change your membrane every 2 year To remove particles down to 1/10,000 of a micron ( which is 98% of impurities including Organic, inorganic And chemicals). Total 4 filters, each individually wrapped. –> –> –> –>