Pleatco PLBS75 Hot Tub Filter

Pleatco PLBS75 replacement Hot Tub filter cartridge for Cal Spas, Leisure Bay hot tubs, Maax Spas and many others.  This filter has a 75 Sq Feet Filter area and replaces Unicel C-5374 and Filbur FC-2971 hot tub filters.



Outer Diameter: 5 5/16" (135mm)
Length: 14 3/4" (375mm)
Top Hole: 2 1/8 (54mm)
Bottom Hole: 2 1/8 (54mm)



  • Unicel C-5374, C 5374, C5374, 5374
  • Filbur FC-2971, FC 2971, FC2971, 2971

Manufacturer (OEM):

Cal Spas, Maax Spas, Garden Leisure Spas, Leisure Bay Manufacturing, Pentair Pool Products Rainbow Plastics, Rec Warehouse, Rocky Mountain Spas, Waterway Plastics

OEM Part Numbers:

817-0015, 303433, R173600