ABOUT SSL CERTIFICATES
Pleatco Pure Spa Filters
Baleen Filters
RJ Filtration Pool and Spa Filters
Berlin Gardens Poly Furniture
Online Payments



You are here: Home > Hot Tub Filters by Size > 4" Diameter Hot Tub Filters > Filter Range: 4" OD x 16-18" Length
Sort By:
Page of 1
Replacement Hot Tub Filter Replacement Hot Tub Filter Replacement Hot Tub Filter
15 sq. ft. Jacuzzi Leisure C-22, Haugh Products  

Replacement for Hot Tub Filter numbers Pleatco # PHP18 Unicel # C-4604 Filbur # FC-3758  

OD 4-1/4" Length 17-7/8" Top ID 1-15/16" Bottom ID 1-15/16"
13 sq. ft. Coleco F-225 F-235 F345, DR-18, Lomart 60-4314  

Replacement for Hot Tub Filter numbers Pleatco # PC18-4 Unicel # C-4618 Filbur # FC-3740  

OD 4-3/4" Length 18" Top ID 1-1/4" Bottom ID 2-7/16"
50 sq. ft. Advantage Mfg.  

Replacement for Hot Tub Filter numbers Pleatco # PAE50 Unicel # C-4349 Filbur # FC-6310  

OD 4-15/16" Length 17-3/4" Top ID 2-1/8" Bottom ID 2-1/8"
Replacement Hot Tub Filter Replacement Hot Tub Filter Replacement Hot Tub Filter
45 sq. ft. Santanna, Conger Bros, Fountain Valley  

Replacement for Hot Tub Filter numbers Pleatco # PSI45-4 Unicel # C-4346 Filbur # FC-2670  

OD 4-15/16" Length 17-3/4" Top ID Closed Bottom ID 2-1/8"
45 sq. ft. Santanna Spas. Conger Bros, Pageant  

Replacement for Hot Tub Filter numbers Pleatco # PSI45-O-4 Unicel # C-4449 Filbur # FC-2640  

OD 4-15/16" Length 17-3/4" Top ID 2-1/8" Bottom ID 2-1/8"
40 sq. ft. Sundance Spas, Jacuzzi Spa  

Replacement for Hot Tub Filter numbers Pleatco # PSD40-4 Unicel # C-4440 Filbur # FC-2710  

OD 4-5/8" Length 16-3/4" Top ID castle Bottom ID 2-1/16"