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Rocky Mountain Filters
These Filters Meet or Exceed Specifications Set Forth By This Spa Manufacturer.
 
Square Feet
Outer Diameter
Length
25
4 5/8"
9 3/4"
Shopping Options
Top
Bottom
1 1/8" Inner Dia
2"MPT
Same as:
Unicel - 4CH-24
 Filbur - FC0131
Spa Filter
Spa Filter
Item# PGS25 P4
Top Load Filter   1 1/2" Lock In MPT Adptr  (Pipe Thrd)
NOTE:  Handle Style Will Vary

Square Feet
Outer Diameter
Length
35
4 15/16"
9 1/4"
Shopping Options
Top
Bottom
2 1/8" Inner Dia
2 1/8" Inner Dia
Same as:
Unicel - C-4335
 Filbur - FC2385
Spa Filter
Spa Filter
Item# PRB35-IN

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
75 5 5/16" 14 13/16"
Shopping Options Top Bottom
Click Here
2 1/8" Inner Dia
2 1/8" Inner Dia
Same as:
Unicel - C-5374
Filbur - FC2971
Spa Filter
Spa Filter
Item# PLBS75

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