Pool Filter Source
Illustration of a Carvin Sherlok pool filter housing

Carvin Pool · pool filter

Sherlok 120

Brand
Carvin Pool
Series
Sherlok
Model
120

Also labeled: Sherlok 120 sq ft.

Your Sherlok 120 uses one of two Carvin cartridges. The correct part depends on whether your filter uses a dirt catcher.

Cutaway illustration highlighting the dirt-catcher assembly inside a Sherlok-style pool filter
Blue marks the dirt-catcher assembly. Actual color may vary.

Does your filter have a dirt catcher?

What is a dirt catcher? It is an internal Sherlok feature that keeps residue from falling back into the filter tank when the cartridge is removed.

Confirm the complete Sherlok size on the equipment label, then compare your filter with the cutaway.

Sources, compatibility, and review date