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Home > Rainbow Spa Filters
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Rainbow Plastics 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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8.5
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2 7/8"
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17 1/16"
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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-2303
Filbur - FC2324
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Item# PRB8.5 OEM# 17-0052
Chloro Cartridge
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Square Feet
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Outer Diameter
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Length
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12
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2 7/8"
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19 1/2"
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Shopping Options
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Top
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Bottom
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1 1/16" Inner Dia
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Same as:
Unicel - C-2612
Filbur - FC2340
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Item# PJW12-4 Life Guard Cl19X OEM# 17-2047
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Square Feet
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Outer Diameter
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Length
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12
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2 7/8"
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29 1/4"
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Shopping Options
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Top
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Bottom
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1 1/16" Inner Dia
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Same as:
Unicel - C-2613
Filbur - FC2350
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Item# PRB12L-4 Life Guard CL-20 OEM# 17-2010
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Square Feet
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Outer Diameter
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Length
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14.5
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2 7/8"
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17 1/16"
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Shopping Options
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Top
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Bottom
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1 1/16" Inner Dia
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Same as:
Unicel - C-2302
Filbur - FC2320
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Item# PRB14.5 OEM# 17-0051
Hi-Flow Cartridge
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Square Feet
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Outer Diameter
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Length
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18
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2 7/8"
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29 1/4"
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Shopping Options
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Top
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Bottom
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1 1/16" Inner Dia
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Same as:
Unicel - C-2618
Filbur - FC2360
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Item# PRB18 Life Guard CL-29X OEM# 17-2046
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Square Feet
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Outer Diameter
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Length
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17.5
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4 15/16"
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4 5/8"
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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-4401
Filbur - FC2386
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Item# PRB17.5SF PR OEM# 17 2606
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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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6 5/8"
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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-4405
Filbur - FC2387
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Item# PRB25SF PR OEM# 17-2464
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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35
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4 15/16"
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9 1/4"
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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-4335
Filbur - FC2385
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Item# PRB35-IN OEM# 17-2482
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Square Feet
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Outer Diameter
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Length
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37
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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-4637
Filbur - FC2380
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Item# PRB37-IN-4
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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 OEM# 17-2380
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Square Feet
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Outer Diameter
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Length
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45
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5 5/16"
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10 1/8"
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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-5345
Filbur - FC2970
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Item# PLBS50 OEM# R173584
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Square Feet
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Outer Diameter
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Length
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75
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4 15/16"
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20 1/8"
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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-4975
Filbur - FC2395
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Item# PRB75 OEM# 17-2632
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Square Feet
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Outer Diameter
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Length
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75
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5 5/16"
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14 13/16"
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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-5374
Filbur - FC2971
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Item# PLBS75 OEM# R173600
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Square Feet
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Outer Diameter
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Length
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100
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5 5/8"
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17 13/16"
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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-5397
Filbur - FC2972
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Item# PLBS100 OEM# R173 601
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