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Cygnus Hot Tub Filters
Cygnus Spa Filters
These Filters Meet or Exceed Specifications Set Forth By The Spa Manufacturer.

Square Feet
14.5
Outer Diameter
2 7/8"
Length
17 1/16"
Top
1 1/16" Inner DiameterTop example and MAY VARY
Bottom
1 1/16" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-2302
Replacement Cartridge Filters for these Pleatco Products
PRB14.5
Replacement Cartridge Filters for these Filbur Products
FC2320
FITS Rainbow High Flow 14.5 [17-0051]

Square Feet
8.5
Outer Diameter
2 7/8"
Length
17 1/16"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-2303
Replacement Cartridge Filters for these Pleatco Products
PRB8.5
Replacement Cartridge Filters for these Filbur Products
FC2324
FITS Chloro Cartridge [17-0052]

Square Feet
25
Outer Diameter
4 5/8"
Length
11 7/8"
Top
2 1/16" Inner DiameterTop example and MAY VARY
Bottom
2 1/16" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4325
Replacement Cartridge Filters for these Pleatco Products
PA225
Replacement Cartridge Filters for these Filbur Products
FC1220
FITS Star Clear C-225 [CX225RE]

Square Feet
25
Outer Diameter
4 15/16"
Length
11 7/8"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4332
Replacement Cartridge Filters for these Pleatco Products
PMT25
Replacement Cartridge Filters for these Filbur Products
FC1620
FITS Sonfarrel 30 [220032]

Square Feet
35
Outer Diameter
4 15/16"
Length
9 1/4"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4335
Replacement Cartridge Filters for these Pleatco Products
PRB35-IN
Replacement Cartridge Filters for these Filbur Products
FC2385
FITS Rainbow Dynamic 35 [03FIL1300]

Square Feet
75
Outer Diameter
4 15/16"
Length
20 1/8"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4975
Replacement Cartridge Filters for these Pleatco Products
PRB75
Replacement Cartridge Filters for these Filbur Products
FC2395
FITS Rainbow Dynamic 75 [17-2623] [25390]

Square Feet
25
Outer Diameter
6 7/8"
Length
11 7/8"
Top
3 1/2" Inner DiameterTop example and MAY VARY
Bottom
3 1/2" Inner DiameterTop example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
C-6625
Replacement Cartridge Filters for these Pleatco Products
PJ25-4
Replacement Cartridge Filters for these Filbur Products
FC1426
 FITS CF 25 [23-2377-04]