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Square Feet
Outer Diameter
Length
17.5
4 15/16"
4 5/8"
Shopping Options
Top
Bottom
2 1/8" Inner Dia
2 1/8" Inner Dia
Same as:
Unicel - C-4401
 Filbur - FC2386
Spa Filter
Spa Filter
Item# PRB17.5SF PR
Comes in Sets of Two (2)

Square Feet
Outer Diameter
Length
25
4 15/16"
6 5/8"
Shopping Options
Top
Bottom
2 1/8" Inner Dia
2 1/8" Inner Dia
Same as:
Unicel - C-4405
Filbur- FC2387
Spa Filter
Spa Filter
Item# PRB25SF PR
Comes in Sets of Two (2)

Square Feet
Outer Diameter
Length
25
4 15/16"
13 5/16"
Shopping Options
Top
Bottom
2 1/8" Inner Dia
2 1/8" Inner Dia
Same as:
Unicel - C-4326
 Filbur - FC2325
Spa Filter
Spa Filter
Item# PRB25-IN
In Line Filter

Square Feet
Outer Diameter
Length
25
6"
7"
Shopping Options
Top
Bottom
Posi Grip Handle
1 1/2" MPT
Same as:
Unicel - 6CH-26
Filbur - FC0310
Spa Filter
Spa Filter
Item# PTL25W-SV 4A
Top Load Filter    1 1/2" Thrd MPT Adptr  (Pipe Thrd)
NOTE:  Handle Style Will Vary

Square Feet Outer Diameter Length
28 4 15/16" 14 7/8"
Shopping Options Top Bottom
Click Here 2 1/8" Inner Dia 2 1/8" Inner Dia
Same as:
Unicel - C-4301
Filbur - FC1610
Spa Filter
Spa Filter
Item# PMT27.5
Top Load Filter

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