Darlly Cartridge [100 sq ft, 4" OD Top x 4" OD Bottom x 10-1/8" dia x 19-1/2" L] (11001) unicel This type of part is

This type of part is especially useful when the original sensor has failed

Replacing it with the correct SPDT momentary model helps preserve original behavior and installation style

For systems using Aux LE layouts

Sometimes the difference between a spa that feels average and one that feels great comes down to small details

0 HP XP2E dual-speed pump delivers balanced performance for spa systems

Darlly Cartridge [100 sq ft, 4" OD Top x 4" OD Bottom x 10-1/8" dia x 19-1/2" L] (11001) unicel This type of part isThe Darlly 11001 filter cartridge is designed for compatible filtration applications and offers 100 square feet of filtration area with 4 inch top and bottom openings, 10 1 8 inch diameter, and 19 1 2 inch length. A cartridge like this is useful because it restores filtration capacity while preserving the original larger body diameter and matching end dimensions. Dimension specific cartridges are practical replacements when the housing depends on both