Pentair 240 Sq. Ft. Clean And Clear Plus Cartridge Filter | 160310 Sanitation it also allows the diaphragm

it also allows the diaphragm to be connected to the internal tube where the part gets the operating power from

5" Check Valve assembly

The Style 2 High Flow Complete Cleaning Head includes the following:

Includes center shaft

Pentair 240 Sq. Ft. Clean And Clear Plus Cartridge Filter | 160310 Sanitation it also allows the diaphragmClean & Clear Plus Cartridge Pool Filters have a corrosion resistant, injection molded, fiberglass reinforced, polypropylene filter tank featuring superior strength and reliability. The cartridge assembly uses four, nonwoven, polyester cartridges. There is no need for backwashing. Features: Large filter area for increased dirt capacity 100% drain clean out port Continuous High Flow Internal Air Relief Durable injection molded tank Balanced hydraulic