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SONFARREL/MARTEC Filters
SONFARREL/MARTEC
These Filters Meet or Exceed Specifications Set Forth By The Spa Manufacturer.
Square Feet
25
Outer Diameter
4 15/16
Length
11  7/8
Top
Open 2 1/8 
Top example and MAY VARY
Bottom
Open 2 1/8 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4332
Replacement Cartridge Filters for these Pleatco Products
PMT25
Replacement Cartridge Filters for these Filbur Products
FC-1612
FITS Sonfarrel 30 [220032]

Square Feet
28
Outer Diameter
4 15/16
Length
14  7/8
Top
Open 2 1/8 
Top example and MAY VARY
Bottom
Open 2 1/8 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4301
Replacement Cartridge Filters for these Pleatco Products
PMT27.5
Replacement Cartridge Filters for these Filbur Products
FC-1615
FITS Advantage Electric 25 [ELE-25] (Top Load)

Square Feet
50
Outer Diameter
4 15/16
Length
14  7/8
Top
Open 2 1/8 
Top example and MAY VARY
Bottom
Open 2 1/8 
Bottom example and MAY VARY
Filter Media
3 oz
Replacement Cartridge Filters for these Unicel Products
C-4305
Replacement Cartridge Filters for these Pleatco Products
PMT50
Replacement Cartridge Filters for these Filbur Products
FC-1617
FITS Sonfarrel 50 [220152]

Square Feet
65
Outer Diameter
7  1/2
Length
14 13/16
Top
Open 2 15/16 
Top example and MAY VARY
Bottom
Open 2 15/16 
Bottom example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
C-7415
Replacement Cartridge Filters for these Pleatco Products
PLB65
Replacement Cartridge Filters for these Filbur Products
FC-3530  
FITS Leisure Bay 65

Square Feet
100
Outer Diameter
7  1/2
Length
21  7/8
Top
Open 2 15/16 w/ Step
Top example and MAY VARY
Bottom
Open 2 15/16 w/ Step
Bottom example and MAY VARY
Filter Media
4 oz
Replacement Cartridge Filters for these Unicel Products
C-7419
Replacement Cartridge Filters for these Pleatco Products
PMT100
Replacement Cartridge Filters for these Filbur Products
FC-1638
FITS Sonfarrel 100 W/Step [2301600] [244-0100]