Sta-Rite 25022-0201S System 3 S7M120 outer filter cartridge, 200 sq ftSta-Rite System 3 S7M120 Outer Filter Cartridge, 200 sq ft, 25022-0201S In stock$49599
Sta-Rite 25022-0201S System 3 S7M120 outer filter cartridge, 200 sq ft
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Sta-Rite System 3 S7M120 Outer Filter Cartridge, 200 sq ft, 25022-0201S

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$49599
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Quick overview

  • The large outer element This is the outer cartridge in the System 3 pair, not the smaller inner one.
  • 200 square feet The rated filter area of this outer cartridge on the S7M120.
  • Modular Media 300 The System 3 S7M120 runs the Modular Media 300 element set that this cartridge belongs to.
  • Genuine part number Supplied as Sta-Rite 25022-0201S, the factory outer cartridge.
  • Inner cartridge is separate The 100 sq ft inner replacement is its own part, ordered alongside when you renew the set.
  • Restores filtration A cartridge that no longer cleans up after a soak is done, and a fresh element brings pressure and clarity back.
Full description and specifications ↓

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Product details

The Sta-Rite 25022-0201S is the large outer filter cartridge for the System 3 S7M120, rated at 200 square feet of filter area. It is the outer half of the Modular Media 300 element set.

How the System 3 element set works

The System 3 does not use a single cartridge. A large outer element carries most of the area, and a smaller inner element sits inside it. This part is the outer one. The inner replacement for the S7M120 is 100 square feet and is ordered on its own, which is why most owners renewing a tired filter buy both at once.

Before you order

This cartridge is listed for the S7M120. The wider System 3 SM parts group also covers the S7M400, S8M150 and S8M500, and those models take different element sizes, so read the number off your old cartridge or the filter label rather than going by the family name.

Replace rather than clean once a full soak stops restoring pressure, or once the pleats are matted or split. A worn element sends fine dirt straight back to the pool no matter how often you rinse it.

Specifications
Brand Sta-Rite
Manufacturer part number 25022-0201S
UPC 022315304796
Type Outer filter cartridge
Filter area 200 sq ft
Element set Modular Media 300
Fits Sta-Rite System 3 S7M120
Listed parts group Sta-Rite System 3 SM cartridge filters: S7M120, S7M400, S8M150, S8M500
Also branded Pentair Sta-Rite
Inner cartridge 100 sq ft inner replacement sold separately
Shipping weight 22 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Is this the inner or the outer cartridge?
The outer. The System 3 uses a large outer element and a smaller inner one. This is the 200 sq ft outer cartridge; the 100 sq ft inner replacement is a separate part.
Does it fit the S7M400, S8M150 or S8M500?
The listing names the S7M120, and the parts group it sits in covers the S7M120, S7M400, S8M150 and S8M500. Those models use different element sizes, so check the outer cartridge part number on your own filter before ordering.
Is this a Sta-Rite or a Pentair part?
Both names appear on it. Sta-Rite is a Pentair brand, and the cartridge carries part number 25022-0201S either way.
When should I replace the cartridge instead of cleaning it?
When a proper soak and rinse no longer brings the pressure back down, or the pleats are matted, split or losing fabric. At that point cleaning buys days rather than months.
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