Pool Filter Source
Cartridge catalogPRB7B

Replacement cartridge

PRB7B

Pleatco

A source-reviewed replacement used with 2 compatible filters. Confirm the equipment model and physical details before ordering.

Application
Spa filters
Compatible filters
2
Specifications
Dimensions reviewed
Last reviewed
July 26, 2026

Cartridge measurements

Size & end caps

How to measure
Outside diameter
5 in
Cap-to-cap length
4 5/8 in
Top
Open2 1/8 in opening
Bottom
Open2 1/8 in opening

Compatibility

Compatible pool and spa filters

Check the complete equipment label before choosing a cartridge.
Spa filterPDC Spas Timeless 2000-20051 filter element neededSpa filterPDC Spas XTR 2000-20051 filter element needed

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