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DISCOVERY SPAS Spa Filters
DISCOVERY 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  5/8
Length
11  7/8
Top
Open 2 1/16 
Top example and MAY VARY
Bottom
Open 2 1/16 
Bottom 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
FC-1220
FITS Star Clear C-225 [CX225RE]

Square Feet
25
Outer Diameter
4 15/16
Length
6  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-4405
Replacement Cartridge Filters for these Pleatco Products
PRB25SF-PAIR
Replacement Cartridge Filters for these Filbur Products
FC-2387
FITS Rainbow DSF 50 [3005825]

Square Feet
50
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-4950
Replacement Cartridge Filters for these Pleatco Products
PRB50-IN
Replacement Cartridge Filters for these Filbur Products
FC-2390
FITS Rainbow Dynamic 50 [03FIL1600]

Square Feet
60
Outer Diameter
8     
Length
11  5/8
Top
Semi-Circle Handle
Top example and MAY VARY
Bottom
2 Male Thread MPT
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
8CH-60
Replacement Cartridge Filters for these Pleatco Products
PIF60-F2M
Replacement Cartridge Filters for these Filbur Products
FC-0510
FITS Beachcraft Spas, Continental Leisure, Discovery Spas