✔️ Water Factory Replacement Filter for SQC Systems. ✔️ This is the Sediment/Carbon Combo Prefilter. ✔️ This Water Factory System 47-55706G2 Carbon Filter is designed for use with the following water filtration systems: Water Factory SQC Series Reverse Osmosis Systems. ✔️ GenuineWater Factory Systems replacement filter. ✔️ Easy Installation and filter change.