Darlly 40371 FC-2380 C-4637 PC-2380 PRB37-IN Spa/Pool Filter Cartridge aquaflo Supports cleaner and more consistent

Supports cleaner and more consistent filter maintenance

For compatible Hayward skimmer systems

the whole assembly can feel less polished and less confidence-inspiring than it should

A failing pack can make the spa feel inconsistent in ways that are hard to live with

This type of pump is especially useful when replacing a larger spa pump and preserving both system capability and product-family continuity matters

Darlly 40371 FC-2380 C-4637 PC-2380 PRB37-IN Spa/Pool Filter Cartridge aquaflo Supports cleaner and more consistentThe Darlly 40371 filter cartridge is made for compatible filtration systems that require 35 square feet of media with 2 1 8 inch top and bottom openings. Its 4 15 16 inch diameter and 13 5 16 inch length provide a compact but efficient design for housings that depend on these precise measurements. Not every cartridge replacement is about moving up in size. Often, the best result comes from choosing the exact dimensions the system was originally