Aladdin O-419-0 Filter Lid & Housing O-Ring Edit Each Unicel C-7471-4 cartridge is

Each Unicel C-7471-4 cartridge is constructed using genuine Reemay® polyester filtration fabric

Most pool owners and service professionals can complete installation in minutes

Pool-Safe Construction

The Unicel C-7660 pool filter cartridge is washable and reusable with proper maintenance

We stock filtration-protecting products that actually reduce workload—not gimmicks that restrict flow or fall apart

Aladdin O-419-0 Filter Lid & Housing O-Ring Edit Each Unicel C-7471-4 cartridge isKey Fit Clamp Nut Replacement Secures the filter clamp band to maintain a safe, sealed filter tank Filter Compatibility Fits Pentair FNS Plus, Quad D. E., and FullFloXF pool filters Direct Fit Design Installs directly in place of the original clamp nut with standard tools Restores Proper Clamping Tension Helps prevent leaks, misalignment, and unsafe filter operation Durable Construction Built to withstand repeated tightening and outdoor pool equipment