Darlly Cartridge [4-3/16" OD Top x 4-3/16" OD Bottom x 5-5/8" dia x 18-3/4" L] (PP1644) airinjectors or is creating control-system problems

or is creating control-system problems tied to inadequate low-voltage power

or missing as part of a compatible repair setup

or replacement projects where matching the original part number and installation details is important

The Afras anti-vortex main drain grate is designed for compatible drain applications where protective coverage and anti-vortex flow support are needed at the drain opening

or no longer responding as it should

Darlly Cartridge [4-3/16" OD Top x 4-3/16" OD Bottom x 5-5/8" dia x 18-3/4" L] (PP1644) airinjectors or is creating control-system problemsThe Darlly PP1644 filter cartridge is designed for compatible filtration applications and features 4 3 16 inch top and bottom openings, a 5 5 8 inch diameter, and an 18 3 4 inch length. Even without square footage noted in the product title, this cartridge is clearly a dimension driven replacement intended for systems that rely on these exact measurements. Some filter replacements are chosen less by broad capacity labels and more by the physical fit