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Niagara Spa Filters
These Filters Meet or Exceed Specifications Set Forth By This Spa Manufacturer.
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Square Feet
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Outer Diameter
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Length
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7
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4 1/4"
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8"
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Shopping Options
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Top
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Bottom
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Closed
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1 15/16" Inner Dia
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Same as:
Unicel - C-4304
Filbur - FC3711
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Item# PC7 TC
Skim Filter
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Square Feet
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Outer Diameter
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Length
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25
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4 15/16"
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13 5/16"
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Shopping Options
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Top
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Bottom
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2 1/8" Inner Dia
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Same as:
Unicel - C-4326
Filbur - FC2325
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Item# PRB25-IN
In-Line Filter
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Square Feet
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Outer Diameter
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Length
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50
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4 15/16"
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13 5/16"
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Shopping Options
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Top
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Bottom
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2 1/8" Inner Dia
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Same as:
Unicel - C-4950
Filbur - FC2390
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Item# PRB50-IN
Up-Grade from 25sf PRB25-IN to 50sf
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