Genuine Unicel Hot Tub Spa Filters. 

• Part no: 6CH-35

• Diameter: 6"

• Length: 9-7/8"

• Top: Handle

• Bottom: 1-1/2" MPT (Fine thread)

• 35 sq. ft.

• Filter Media: Reemay

• Brand: Unicel Premium

This Unicel filter is a compatible replacement for Pleatco PTL35W-P4 and Filbur FC-0320.

Manufacturers who use the 6CH-35:

Diamond Back Spas, Arizona Pacific and more.