Size Filters: Big 20 inch (4.5 x 20 inch).
5-micron Melt Blown Sediment Filter (replace every 3-6months)
+ Granular Activated Carbon Filter (replace every 6-12months)
+ 20-micron Melt Blown Sediment Filter (replace every 3-6months).
What's included: 3 x Replacement Filter Cartridges.
6-Month Limited Warranty.