HYDRONIX 10 in. x 2-1/2 in. String Wound Sediment Water Filter HYDRONIX-SWC-25-1050 - The Home Depot
Amazon.com: Aquaboon 5 Micron 10" x 2.5" String Wound Sediment Water Filter Cartridge | Universal Replacement for Any 10 inch RO Unit | Compatible with WP-5, AP110, CFS110, P5, WFPFC4002, WP-5, CW-MF,