1 / 7Wowreed WR-S7M120(2) System 3 S7M120 Pool Filter Set
Wowreed WR-S7M120(2) is a replacement pool filter set listed as compatible with System 3 S7M120 and part numbers 25022-0201S and 25021-0200S. The listing gives separate dimensions and filtration-area figures for the outer and inner filters, and recommends washing them every 2–6 weeks.
At a glance
- Includes outer and inner filter elements according to the product title.
- The listing gives 200 sq. ft. filtration area for the outer filter and 100 sq. ft. for the inner filter.
- The manufacturer describes the fabric structure as easier to rinse and recommends washing every 2–6 weeks.
- Manufacturer says the filters are reusable and have solid end caps.
Often bought together
Pros and cons
Pros
- Outer and inner dimensions and filtration areas are specified separately, helping buyers compare them with their existing elements.
- The stated 2–6 week cleaning interval offers a maintenance reference, though actual needs may vary with conditions.
Technical specifications
10 specifications| Brand | Wowreed |
|---|
| Dimensions listed | 16 x 16 x 24 inches |
|---|---|
| Weight listed | 25.9 pounds |
| Compatible models listed | System 3 S7M120, 25022-0201S, 25021-0200S |
|---|
| Outer length | 18 3/4" |
|---|---|
| Outer outside diameter | 16 1/2" |
| Outer filtration area | 200 sq. ft. |
| Inner length | 25 1/4" |
| Inner outside diameter | 8 3/4" |
| Inner filtration area | 100 sq. ft. |
What to know before buying
Listing details to confirm
The listing is inconsistent about dimensions: the overall product dimensions are given as 16 x 16 x 24 inches, while the outer and inner element measurements are listed separately and do not match that overall description. The claimed compatibility and filter specifications are manufacturer-listed, not independently confirmed. Compare the filter measurements and system model with your existing parts before ordering.
Who is it for?
A good fit for
- Owners of a System 3 S7M120 setup seeking both outer and inner replacement filter elements.
- Buyers who want listed individual filter dimensions and filtration areas to compare against their current components.
Less suited to
- Buyers who need independently confirmed compatibility or dimensions before purchase.
- Buyers seeking a cartridge for a different filter system without checking the listed model compatibility.

Customer reviews on Amazon
- 5 stars
75% 75% - 4 stars
25% 25% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
Aggregate ratings are positive, with five-star and four-star ratings represented in the small supplied sample. Ratings alone do not identify what customers liked or disliked, so they cannot confirm fit, cleanability, or service life. Buyers should use the listed model compatibility and dimensions as the more relevant checks for their system.
Frequently asked questions
Which systems is this filter listed for?
The listing names System 3 S7M120 and replacement part numbers 25022-0201S and 25021-0200S. Confirm the model and dimensions against your current filter before ordering.
What are the listed filtration areas?
The listing specifies 200 sq. ft. for the outer filter and 100 sq. ft. for the inner filter.
How often does the manufacturer recommend cleaning?
The listing recommends washing the filters every 2–6 weeks to help maintain performance and capacity.

Alternative options

Miory 27002-0150S Pool Fliter Cartridges, Replacement for sta-rite 27002-0150S Pool and Spa D.E. Filter, Compatible with sta-rite PLM150 and System 2 Modular Media, with Air Bleed Assembly, 150 sq.ft
$152.45

S7M120 Pool Filter Cartridges, 170145 Pool Filter Replacement for sta-rite System 3 25021-0200S & 25022-0201S Pool Filter Cartridge Module, Compatible with sta rite System 3 S7M120 Filter, 300 Sq.Ft
$289.45

300 Sq. Ft Pool Filter Cartridge Replaces S7M120 | Compatible with 25021-0200S & 25...
$319.99

300 Sq. Ft. Pool Filter Cartridge Replacement for S7M120, 1 Set | Compatible with S...
$269.99

S7M120 Inner and Outer Pool Filter Cartridge Compatible with System 3 25021-0200S &...
$299.99

150 Sq. Ft Pool Filter Compatible with 27002-0150S, PLM150 | Compatible with System...
$153.99

S8M150 System 3 Inner and Outer Cartridge, Compatible with Sta-Rite System 3 S8M150...
$379.99

450 Sq. Ft Pool Filter Cartridge Replaces S8M150 | Compatible with 25022-0203S & 25...
$439.99

65 Sq. Ft Spa Filter Compatible with PWK65, 31114, C-8465 | Compatible with Watkins...
$34.99

System 3 S7M400 Inner and Outer Set Pool Filter Cartridges - Replacement for Sta-Ri...
$369.99

S7M120 System 3 Inner and Outer Pool Filter, Compatible with 25021-0200S & 25022-02...
$119.99

PC5030 Pool Filter Replaces Hayward CX1280XRE, PA131, C-7494, FC-1227 4Pack | Compa...
$159.99
