This fits your .

DuPont Universal String Wound Cartridge PFC4002 that filters up to 15,000 gallons for home or office. It includes 2 universal 10-inch cartridges that fit all DuPont Whole House Water Filter Systems and most other brands of standard-size systems and lasts up to 3 months. 15 micron.

DuPont Universal Whole House String Wound Cartridge PFC4002 (4 Pack) - B00KTPFXGW