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

Square Feet
25
Outer Diameter
5 11/16"
Length
10 3/8"
Top
Closed
Top 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-5601
Replacement Cartridge Filters for these Pleatco Products
PJW23
Replacement Cartridge Filters for these Filbur Products
FC1330
FITS Jacuzzi Aero, Caressa, C / top

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
PRB17.5
Replacement Cartridge Filters for these Filbur Products
FC2386
FITS Rainbow DSF 35 [17-2606]

Square Feet
25
Outer Diameter
4 5/8"
Length
9 3/4"
Top
Posi Grip
Top example and MAY VARY
Bottom
1 1/2" MPT
Top example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
4CH-24
Replacement Cartridge Filters for these Pleatco Products
PGS-25P4
Replacement Cartridge Filters for these Filbur Products
FC0131
FITS After Hours Spas