2 set of replacement filters with following: 2 x Sediment Filter 5 micron Dirt/Rust remover Size 9 7/8 inch x 2.5 inch – Fits most standard 10 inch size housings and most reverse osmosis systems.Used to remove larger particles & suspended matter such as dirt, silt, rust, sand, algae, sediment, scale particles, and cloudiness from water. Meets FDA requirements for food and beverage contact. No leachable or extractable material to contaminate outflowing water. Long life and increased dirt holding capacity. No surface binders to reduce flow and increase change-out frequency. 2 x 1 x 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 –>