Unicel C-7472 fits the following filter models:

  -Pentair Pac Fab Clean & Clear Plus 520 (made after 11/98:  for those made before 11/98 see product Unicel C-7498)
  -Waterway Crystal Water 525
  -Waterway Crystal Water 500
NOTE:  Four Unicel C-7472 filter cartridges are required for the models above, both top and bottom filter ends are open with 3 inch inside diameter 

Specifications
Unicel C-7472 replaces the following filter cartridges:
  Pac Fab pool filter 178585
  Waterway pool filters 817-0131 or 817-0143 (8170131 or 8170143)
  Pentair pool filter R173578

  Pleatco PCC130

Manufacturer
UNICEL

Sq. Ft.
125 sq. ft. x 4 qty. = 500 sq. ft. (fits 520, 525 sq. ft. models)

OD
7"

Length
32-1/16"

Pleat Count
163

Media
4 ounce

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