Description The information below is per-pack only Filter for use with: Whole House Sediment Filter (AO-WH-PREV or AO-WH-PRE). Use only certified, genuine A. O. Smith filters for continued contaminant removal and system performance. Longer lasting appliances - whole house filter system designed to reduce sediment from every tap. 5 micron filtration - reduces sediment smaller than the human eye can see. Replacements made easy - no plumber necessary. Replace filter every 6 months. Standard capacity (2.5 ) filter is perfect for household sizes of 1-4 people. Includes 2-pack of replacement sediment filters. ASIN B0FSB1Y2NN Set Name 4-pack Brand Name A. O. Smith Unit Count 4.0 Count Item Weight 2 Pounds Manufacturer AO Smith Model Number AO-WH-PRE-RC2 Item Type Name Filters Number of Items 4 Product Benefits Reduces sediment and improves water quality Manufacturer Part Number REACH 2 6 Compatible Water Purifier Models A.O. Smith AO-WH-PRE, A.O. Smith AO-WH-PREV