GE FXWTC Whole Home System Replacement Filter Set, Pack of 2 Whole home filtration system: Filtered water for your whole home Includes two filters: Compatible with GXWH04F and GXWH20S systems and most systems with 10" x 2.5" filters Premium filtration: Certified to reduce sand, soil, rust and chlorine taste and odor in your water, appliances and plumbing fixtures Three-month filter life: For best filtration results, filters should be replaced every three months or 30,000 gallons