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

Square Feet
45
Outer Diameter
6 3/8"
Length
11 7/8"
Top
3" Inner Diameter
Top example and MAY VARY
Bottom
3" Inner Diameter
Top example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-6600
Replacement Cartridge Filters for these Pleatco Products
PWK25-4
Replacement Cartridge Filters for these Filbur Products
FC3930
FITS Watkins 45 [31115]

Square Feet
30
Outer Diameter
6"
Length
10 1/2"
Top
1 15/16" Inner Diameter
Top example and MAY VARY
Bottom
1 15/16" Inner DiameterTop example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
C-6430
Replacement Cartridge Filters for these Pleatco Products
PWK30
Replacement Cartridge Filters for these Filbur Products
FC3915
FITS Watkins [31489]

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
50
Outer Diameter
8 5/8"
Length
13 15/16"
Top
4" Inner Diameter
Top example and MAY VARY
Bottom
4" Inner Diameter
Top example and MAY VARY
Filter Media
Microban
Replacement Cartridge Filters for these Unicel Products
UHDSR50
Replacement Cartridge Filters for these Pleatco Products
PSR50-4
Replacement Cartridge Filters for these Filbur Products
FC2530
FITS StaRite PosiFlo [50GPM-TX 50TX 50TXR Posi-Flo II PTM50, Posi-Flo T-50TX, T-50TXR]

Square Feet
65
Outer Diameter
8 1/2"
Length
14 1/2"
Top
3" Inner Diameter
Top example and MAY VARY
Bottom
3" Inner Diameter
Top example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4310
Replacement Cartridge Filters for these Pleatco Products
PWK65
Replacement Cartridge Filters for these Filbur Products
FC3077
FITS Waterway Skim Filter 10 [817-0010]

Square Feet
75
Outer Diameter
7"
Length
14 3/4"
Top
Posi Grip
Top example and MAY VARY
Bottom
2 11/16" Inner Diameter
Top example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-7375
Replacement Cartridge Filters for these Pleatco Products
PCD75
Replacement Cartridge Filters for these Filbur Products
FC3964
FITS Caldera 75 [033017]