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ESTHER WILLIAMS SPAS Spa Filters
ESTHER WILLIAMS SPAS
These Filters Meet or Exceed Specifications Set Forth By The Spa Manufacturer.
Square Feet
17.5
Outer Diameter
4 15/16
Length
4  5/8
Top
Open 2 1/8 
Top example and MAY VARY
Bottom
Open 2 1/8 
Bottom example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
C-4401
Replacement Cartridge Filters for these Pleatco Products
PRB17.5SF-PAIR
Replacement Cartridge Filters for these Filbur Products
FC-2386
FITS Rainbow DSF 35 [17-2606]

Square Feet
25
Outer Diameter
4 15/16
Length
13  5/16
Top
Open 2 1/8 
Top example and MAY VARY
Bottom
Open 2 1/8 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4326
Replacement Cartridge Filters for these Pleatco Products
PRB25-IN
Replacement Cartridge Filters for these Filbur Products
FC-2375
FITS Rainbow Dynamic 25 [17-2327]

Square Feet
50
Outer Diameter
6     
Length
13  7/16
Top
Semi-Circle Handle
Top example and MAY VARY
Bottom
 1 1/2 Male Thread MPT  
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
6CH-50
Replacement Cartridge Filters for these Pleatco Products
PTL50W-SV-P
Replacement Cartridge Filters for these Filbur Products
FC-0340
FITS Advanced / LA Spas