Unicel 5CH-402 Replacement Spa Filter Cartridge for Del Sol, Sundance & Jacuzzi Premium Spas | 40 Sq. Ft. | 6540-723 C8311 this cartridge maximizes filtration surface

this cartridge maximizes filtration surface area to capture fine particulates and maintain crystal-clear water — cycle after cycle

The 10-hole bolt pattern must match the hole configuration of your installed niche — confirm your niche's hole count before ordering

The Unicel 5CH-402 is a 5CH Series 40 sq

OEM Brand Product Name Notes American Spas Compatible filters Artesian Spas Compatible filters J

clean the shaft groove thoroughly and apply a thin coat of silicone-based lubricant to seat the O-ring evenly and extend its service life

Unicel 5CH-402 Replacement Spa Filter Cartridge for Del Sol, Sundance & Jacuzzi Premium Spas | 40 Sq. Ft. | 6540-723 C8311 this cartridge maximizes filtration surfaceThe Unicel 5CH 402 is a 5CH Series 40 sq. ft. replacement spa filter cartridge engineered for Del Sol, Sundance, and Jacuzzi Premium spa models originally equipped with OEM part number 6540 723. With 204 pleats of 3 oz. Reemay 2033 filtration media and a 2" male thread (MPT) bottom connection, it delivers reliable filtration performance as a direct cross reference replacement. IMPORTANT: Dimensional Difference vs. OEM Original Per Unicel's cross