
Pool Filter Replacement Cartridges
Equipment buying guides / Pool Filter Replacement Cartridges
Restore your filter’s service plan with replacement cartridges selected for the actual filter tank. Pool Supply Depot helps homeowners and pool professionals match filter models with individual elements or complete cartridge sets. Use the filter label and existing cartridge information to identify the right product.
Match the filter model and the complete cartridge set
A filter’s square-foot rating does not identify every replacement cartridge. Element length, outside diameter, opening style and the number of elements inside the tank can differ. A complete filter listing is also different from a replacement element kit. The products featured here are replacement cartridges or cartridge kits, rather than complete filter tanks.
What to confirm before ordering
| Check | Details to provide |
|---|---|
| Filter tank label | Provide manufacturer, complete model number and serial information when available. |
| Existing cartridge | Record the part number, overall length, outside diameter and the size and shape of both ends. |
| Quantity required | Check whether the tank uses one cartridge or multiple elements and whether the listing is a single element or set. |
| Reason for replacement | Ask your service professional to evaluate damaged media, broken end caps or persistent restriction after appropriate cleaning. |
Shop featured products
Open each product for current pricing, specifications and availability. Confirm fit and included components before placing an order.


Pentair Clean & Clear 520 OEM Cartridge Filter Replacement Kit, 4-Pack | 179136
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Pentair Clean & Clear 420 OEM/Original Cartridge Filter Replacement Kit, 4-Pack | 179135 & R173576
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Pentair Sta-Rite PLM200 Filter Cartridge, 200 sf | 27002-0200S
View product and specifications →Frequently asked questions
Is a 420-square-foot filter cartridge always the same size?
No. Match the exact filter model and specified cartridge or set. Surface area alone is not a reliable fit check.
Does a four-pack mean four complete filter tanks?
No. A cartridge four-pack contains replacement filter elements. Review the product listing for the exact quantity and contents.
Can you help if my cartridge part number is unreadable?
Send the tank label and clear photos of the cartridge ends with measurements. We can help narrow the options before ordering.
Equipment help from Pool Supply Depot
Visit our Henderson, Nevada store for local pickup or contact us about nationwide shipping and freight options. Send your equipment label, model number and project details for help narrowing the choices.