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WATKINS/ HOT SPRING SPAS Spa Filters
WATKINS/ HOT SPRING SPAS
These Filters Meet or Exceed Specifications Set Forth By The Spa Manufacturer.
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
45
Outer Diameter
6  3/8
Length
11  7/8
Top
Open 3 
Top example and MAY VARY
Bottom
Open 3 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
N/A
Replacement Cartridge Filters for these Pleatco Products
PWK25
Replacement Cartridge Filters for these Filbur Products
FC-3930  
FITS Watkins 45 [31115]

Square Feet
30
Outer Diameter
6     
Length
10  1/2
Top
Open 1 15/16 
Top example and MAY VARY
Bottom
Open 1 15/16 
Bottom example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
C-6430
Replacement Cartridge Filters for these Pleatco Products
PWK30
Replacement Cartridge Filters for these Filbur Products
FC-3915  
FITS Watkins [31489]

Square Feet
30
Outer Diameter
5  7/8
Length
10  1/2
Top
Open 1 15/16 
Top example and MAY VARY
Bottom
Open 1 15/16 
Bottom example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
N/A
Replacement Cartridge Filters for these Pleatco Products
PWK30-4
Replacement Cartridge Filters for these Filbur Products
N/A
FITS Watkins [31489]

Square Feet
40
Outer Diameter
6  3/8
Length
11  7/8
Top
Open 3 
Top example and MAY VARY
Bottom
Open 3 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
     
Replacement Cartridge Filters for these Pleatco Products
PWK40
Replacement Cartridge Filters for these Filbur Products
Watkins Hot Spring Spas

Square Feet
45
Outer Diameter
8  1/2
Length
10  1/2
Top
Open 3 
Top example and MAY VARY
Bottom
Open 3 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-6600
Replacement Cartridge Filters for these Pleatco Products
PWK45N
Replacement Cartridge Filters for these Filbur Products
FC-3960  
FITS Watkins 65

Square Feet
65
Outer Diameter
8  1/2
Length
10  1/2
Top
Open 3 
Top example and MAY VARY
Bottom
Open 3 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-8465
Replacement Cartridge Filters for these Pleatco Products
PWK65
Replacement Cartridge Filters for these Filbur Products
FC-3960  
FITS Watkins [31114]