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Caribbean Spa Filters
These Filters Meet or Exceed Specifications Set Forth By This Spa Manufacturer.
 
Square Feet
Outer Diameter
Length
17.5
4 15/16"
4 5/8"
Shopping Options
Top
Bottom
2 1/8"
2 1/8"
Same as:
Pleatco- PRB17.5SF
Unicel - C-4401
Filbur - FC2386
Spa Filter
Spa Filter
Item# 12221
PR
2 Required = 35sf

Square Feet
Outer Diameter
Length
25
4 15/16"
6 5/8"
Shopping Options
Top
Bottom
2 1/8"
2 1/8"
Same as:
Pleatco- PRB25SF
Unicel - 6CH-940
Filbur - FC2387
Spa Filter
Spa Filter
Item# 12313
Skim Filter    2 Required = 50sf

Square Feet
Outer Diameter
Length
40
6"
8 1/16"
Shopping Options
Top
Bottom
Handle
1 1/2" Male Thread
Same as:
Pleatco- PWW50P3
Unicel - 6CH-940
Filbur - FC0359
Spa Filter
Spa Filter
Item# 12502
Top Load Filter    1 1/2" Lock -In THrd SAE Adptr (Wide Thrds)
Note: Handle Style Will Vary