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Ahtria 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 PR
Unicel - C-4401
Filbur- FC2386
Spa Filter
Spa Filter
Item# 12221
Set of 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 PR
Unicel - C-4405
Filbur- FC2387
Spa Filter
Spa Filter
Item# 12313
Skim Filter    Set of 2 Required = 50sf

Square Feet
Outer Diameter
Length
35
4 15/16"
10 3/8"
Shopping Options
Top
Bottom
2 1/8
2 1/8"
Same as:
Pleatco- DSF25-50
Unicel - C-4431
Filbur- FC3078
Spa Filter
Spa Filter
Item# 12445 TC

Square Feet
Outer Diameter
Length
50
4 15/16"
13 5/16"
Shopping Options
Top
Bottom
2 1/8"
2 1/8"
Same as:
Pleatco- PRB50-IN
Unicel - C-4950
Filbur- FC2390
Spa Filter
Spa Filter
Item# 12592

Square Feet Outer Diameter Length
60 8" 11 1/16"
Shopping Options Top Bottom
Click Here Handle
2" Male Thread MPT
Same as:
Pleatco- PIF60-F2M
Unicel - 8CH-60
Filbur- FC0510
Spa Filter Spa Filter
Item# 12767
2" Lock-In Thrd MPT Adptr (Pipe Thrd)
Note: Handle Style Will Vary

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