25 micron filtration - reduces sediment smaller than the human eye can see.
Filter designed for: Whole House Filter System with Timer (AO-WH-PREL). Utilize solely official A. O. Smith filters for ongoing pollutant elimination and system functionality.
Replacements made easy - no plumber necessary. Replace filter every 6 months. Large capacity (4.5") filter is perfect for household sizes 4 or more people.
Longer lasting appliances - whole house filter system designed to reduce sediment from every tap.
Includes one replacement filter.
-32%
AO Smith 4.5x10 25 Micron Carbon Water Filter Cartridge for Whole House Systems
25 micron filtration - reduces sediment smaller than the human eye can see.
Filter designed for: Whole House Filter System with Timer (AO-WH-PREL). Utilize solely official A. O. Smith filters for ongoing pollutant elimination and system functionality.
Replacements made easy - no plumber necessary. Replace filter every 6 months. Large capacity (4.5") filter is perfect for household sizes 4 or more people.
Longer lasting appliances - whole house filter system designed to reduce sediment from every tap.