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

Square Feet
7
Outer Diameter
4 1/4"
Length
8"
Top
Closed
Top example and MAY VARY
Bottom
1 15/16" Inner DiameterTop example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4304
Replacement Cartridge Filters for these Pleatco Products
PC7 TC
Replacement Cartridge Filters for these Filbur Products
FC3711
FITS Pelican 8 [1370024]

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
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]