Pleatco PWW50L Hot Tub Filter


Genuine Pleatco PWW50L hot tub filter.  Pleatco brand filters are the best in the indusrty and made with the best materials.  All Pleatco Filters feature Pleatco's FREE FLOW CORES which deliver better water flow rates and enhance filtration. This efficiency reduces wear and tear on the pump, uses less energy, and provides longer life to the Filter. Proper flow is important as many home owners switch to energy efficient multiple and variable speed pumps.

Pleatco PWW50 L filter replaces both the Unicel 4CH-949 and the Filbur FC-0172.


  • FREE FLOW CORES which deliver better water flow and enhanced filtration
  • highly efficient, spun bonded polyester filter Media
  • break-resistant bands keep the pleats clearly defined and evenly separated for increased water flow
  • Antimicrobial End-caps
  • built to withstand chlorine degradation


  • Outer Diameter: 5" (127mm)
  • Length: 13 1/16" (332mm)
  • Top Hole: Handle
  • Bottom Hole: 1 1/2” Female SAE threads (38mm)
  • Sqaur Feet: 50
  • Replaces Unicel 4CH-949
  • Replaces Filbur FC-0172
  • Replaces Arctic Spa Silver Sentinel Filter Threaded Base
  • Part no: PWW50L

Manufacturer (OEM):

Hydropool Industries, Rising Dragon, Sunrise Spas, Waterway Plastics, Arctic Spas and more..

OEM Part Numbers:

  • 817-4050