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Rainbow Plastics Hot Tub Filters
Rainbow Plastics Filters
These Filters Meet or Exceed Specifications Set Forth By The Spa Manufacturer.

Square Feet
8.5
Outer Diameter
2 7/8"
Length
17 1/16"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-2303
Replacement Cartridge Filters for these Pleatco Products
PRB8.5
Replacement Cartridge Filters for these Filbur Products
FC2324
FITS Chloro Cartridge [17-0052]

Square Feet
12
Outer Diameter
2 7/8"
Length
19 1/2"
Top
1 1/16" Inner DiameterTop example and MAY VARY
Bottom
1 1/16" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-2612
Replacement Cartridge Filters for these Pleatco Products
PJW12-4
Replacement Cartridge Filters for these Filbur Products
FC2340
FITS Rainbow Lifeguard CL-19x [17-2021]

Square Feet
12
Outer Diameter
2 7/8"
Length
29 1/4"
Top
1 1/16" Inner DiameterTop example and MAY VARY
Bottom
1 1/16" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-2613
Replacement Cartridge Filters for these Pleatco Products
PRB12L-4
Replacement Cartridge Filters for these Filbur Products
FC2350
FITS Rainbow Lifeguard CL-29 [17-2010]

Square Feet
14.5
Outer Diameter
2 7/8"
Length
17 1/16"
Top
1 1/16" Inner DiameterTop example and MAY VARY
Bottom
1 1/16" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-2302
Replacement Cartridge Filters for these Pleatco Products
PRB14.5
Replacement Cartridge Filters for these Filbur Products
FC2320
FITS Rainbow High Flow 14.5 [17-0051]

Square Feet
18
Outer Diameter
2 7/8"
Length
29 1/4"
Top
1 1/16" Inner DiameterTop example and MAY VARY
Bottom
1 1/16" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-2618
Replacement Cartridge Filters for these Pleatco Products
PRB18
Replacement Cartridge Filters for these Filbur Products
FC2360
FITS Rainbow Lifeguard CL-29X 12.5 [17-2056]

Square Feet
17.5
Outer Diameter
4 15/16"
Length
4 5/8"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4401
Replacement Cartridge Filters for these Pleatco Products
PRB17.5SF
Replacement Cartridge Filters for these Filbur Products
FC2386
FITS Rainbow DSF 35 [17-2606]

Square Feet
25
Outer Diameter
4 15/16"
Length
6 5/8"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
C-4405
Replacement Cartridge Filters for these Pleatco Products
PRB25SF
Replacement Cartridge Filters for these Filbur Products
FC2387
FITS Rainbow DSF 50 [3005825]

Square Feet
25
Outer Diameter
4 15/16"
Length
13 5/16"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4326
Replacement Cartridge Filters for these Pleatco Products
PRB25-IN
Replacement Cartridge Filters for these Filbur Products
FC2325
FITS Rainbow Dynamic 25 [17-2327]

Square Feet
35
Outer Diameter
4 15/16"
Length
9 1/4"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4335
Replacement Cartridge Filters for these Pleatco Products
PRB35-IN
Replacement Cartridge Filters for these Filbur Products
FC2385
FITS Rainbow Dynamic 35 [03FIL1300]

Square Feet
37
Outer Diameter
4 15/16"
Length
13 5/16"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4637
Replacement Cartridge Filters for these Pleatco Products
PRB37-IN-4
Replacement Cartridge Filters for these Filbur Products
FC2380
FITS Rainbow Dynamic 37 [R17-3430]

Square Feet
50
Outer Diameter
4 15/16"
Length
13 5/16"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4950
Replacement Cartridge Filters for these Pleatco Products
PRB50-IN
Replacement Cartridge Filters for these Filbur Products
FC2390
FITS Rainbow Dynamic 50 [03FIL1600]

Square Feet
45
Outer Diameter
5 5/16"
Length
10 1/8"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-5345
Replacement Cartridge Filters for these Pleatco Products
PLBS50
Replacement Cartridge Filters for these Filbur Products
FC2970
FITS Leisure Bay/ Dynasty Spas [817-0014] [173584]

Square Feet
75
Outer Diameter
4 15/16"
Length
20 1/8"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4975
Replacement Cartridge Filters for these Pleatco Products
PRB75
Replacement Cartridge Filters for these Filbur Products
FC2395
FITS Rainbow Dynamic 75 [17-2623] [25390]
   
Square Feet
75
Outer Diameter
5 5/16"
Length
14 13/16"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-5374
Replacement Cartridge Filters for these Pleatco Products
PLBS75
Replacement Cartridge Filters for these Filbur Products
FC2971
FITS Leisure Bay S2/G2 [817-0015] [303433]

Square Feet
100
Outer Diameter
5 5/8"
Length
17 13/16"
Top
2 1/8" Inner DiameterTop example and MAY VARY
Bottom
2 1/8" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-5397
Replacement Cartridge Filters for these Pleatco Products
PLBS100
Replacement Cartridge Filters for these Filbur Products
FC2972
FITS Leisure Bay S2/G2 [817-0016] [303434]