Cartridge catalogFLT-101SK
Replacement cartridge
FLT-101SK
PDC
A source-reviewed replacement used with 1 compatible filter. Confirm the equipment model and physical details before ordering.
- Application
- Spa filters
- Compatible filters
- 1
- Specifications
- Dimensions reviewed
- Last reviewed
- July 26, 2026
Cartridge measurements
Size & end caps
- Outside diameter
- 4 1/4 in
- Cap-to-cap length
- 4 in
- Top
- Open2 1/16 in opening
- Bottom
- Open2 1/16 in opening
Compatibility
Compatible pool and spa filters
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