Pentair Modular Small Inner Cartridge 136 Sq. Ft. || 25021-0223S Autofill Levelers and other forms of mulch

and other forms of mulch leaving behind a crystal-clear-looking pool

It also is only held on by a couple of screws which makes it easy to remove or replace if needed

and inviting day after day

Premium Outdoor Charging Station

Pentair Modular Small Inner Cartridge 136 Sq. Ft. || 25021-0223S Autofill Levelers and other forms of mulchPentair Modular Small Inner Cartridge 136 Sq. Ft. 25021 0223S Sta Rite System 3 S7M400 Modular Media 136 Sq Ft Small Cartridge Replacement 25021 0223S. The Sta Rite S7M400 uses a small and large filter cartridge. The 25021 0223S is the smaller of the two cartridges at 136 Sq Ft The Sta Rite S7M400 filter holds one inner filter of 136 Sq Ft and an outer cartridge of 264 Sq Ft Available for individual sale or in a Replacement Kit, these cartridges are