This large outer cartridge is designed to use with Pentair Sta-Rite System 3 SM-Series 21-inch pool and spa cartridge filter model S7M400. 264-square feet filtration area. Measures 19-1/4-inch length by 23-1/4-inch height by 19-1/4-inch width.
- Available in small and large cartridge replacements and fits Modular Media 400
- Low Maintenance – Complete media coverage combined with shallow pleats means greater dirt holding capabilities, resulting in longer filter cycles and less cleaning
- Quick Service – The shallow pleat design allows you to simply hose off the elements in a matter of minutes, making servicing a snap
- Dual Drain Plugs Side plug available for plumbing to waste, while the bottom plug will drain entire filter
- Available in small and large cartridge replacements and fits Modular Media 400
- Low Maintenance – Complete media coverage combined with shallow pleats means greater dirt holding capabilities, resulting in longer filter cycles and less cleaning
- Quick Service – The shallow pleat design allows you to simply hose off the elements in a matter of minutes, making servicing a snap
- Dual Drain Plugs Side plug available for plumbing to waste, while the bottom plug will drain entire filter
