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You are here: Home > Hot Tub Filters by Size > 5" Diameter Hot Tub Filters > Filter Range: 5" OD x 18-20" Length
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40 sq. ft. Marquis Spa, Amish Country, Hide Away, Everyday Hot Tubs 36 sq. ft. Marquis Spa 58 sq. ft. Marquis Spas, Everyday Hot Tubs, Hide Away, Amish Country
40 sq. ft. Marquis Spa, Amish Country, Hide Away, Everyday Hot Tubs  

Replacement for Hot Tub Filter numbers Pleatco # PPM40-4 Unicel # C-5637 Filbur # FC-3637  

OD 5-3/16"
Length 19-5/8"
Top ID 1-1/16"
Bottom ID 1-5/8"
36 sq. ft. Marquis Spa  

Replacement for Hot Tub Filter numbers Pleatco # N/A Unicel # C-5636 Filbur # FC-3636  

OD 5-3/16"
Length 19-5/8"
Top ID 1-1/16"
Bottom ID 1-5/8"
58 sq. ft. Marquis Spas, Everyday Hot Tubs, Hide Away, Amish Country  

Replacement for Hot Tub Filter numbers Pleatco # N/A Unicel # C-5434 Filbur # FC-3634  

OD 5-3/16"
Length 19-5/8"
Top ID Closed w/string Handle
Bottom ID 1-5/8"
Replacement Hot Tub Filter Replacement Hot Tub Filter
75 sq. ft. Seasonmaster (model 121 before 1994)  

Replacement for Hot Tub Filter numbers Pleatco # PLW75-4 Unicel # C-5375 Filbur # FC-3102  

OD 5-7/8" Length 19-1/4" Top ID Handle Bottom ID Male Slip Fitting
75 sq. ft. Seasonmaster (model 121 aft.er 1994)  

Replacement for Hot Tub Filter numbers Pleatco # N/A Unicel # C-5376 Filbur # FC-3109  

OD 5-7/8" Length 19-1/4" Top ID Handle Bottom ID Male Slip Fitting w/MPT