Filtrete Standard Capacity Whole House String Wound Replacement Water Filter, 3WH-STDSW-F02

FILTER SIZE : Standard Capacity CLEANER WATER - These filters offer filtration that reduces sand, sediment, rust, and silt (10 microns) UNIVERSAL USE - These universal whole house sump style filters work in most standard capacity whole house sump style systems THREE MONTH FILTER LIFE - Use these filters for up to three months each PROTECT PLUMBING AND APPLIANCES - These filters help protect dishwasher, clothes washer, water heater, and showers IDEAL FOR TWO BATHROOM HOMES - These filter cartridges fit into a system that is recommended for up to four person/two bathroom households NSF STANDARD 42 CERTIFIED - Tested and certified by one of the world's most respected independent certification organizations that helps protect the world's food, water, consumer products, and environment