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You are here: Home > Hot Tub Filters by Size > 4" Diameter Hot Tub Filters > Filter Range: 4" OD x 8-10" Length
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Replacement Hot Tub Filter Replacement Hot Tub Filter Replacement Hot Tub Filter
15 sq. ft.  Sta-Rite TX-15  

Replacement for Hot Tub Filter numbers Pleatco # PSR15-4 Unicel # C-4610 Filbur # FC-2510  

OD 4-1/2" Length 9-3/4" Top ID 1-1/16" Bottom ID 1-1/16"
20 sq. ft. Aqua Spa  

Replacement for Hot Tub Filter numbers Pleatco # PAQ25N Unicel # C-4402 Filbur # FC-3071  

OD 4-5/8" Length 9-3/4" Top ID Handle Bottom ID 1-7/8" w/Slots
25 sq. ft. Santanna Spas  

Replacement for Hot Tub Filter numbers Pleatco # PPI25-4 Unicel # C-4328 Filbur # FC-2650  

OD 4-15/16" Length 9-13/16" Top ID Closed Bottom ID 2-1/8"
Replacement Hot Tub Filter Replacement Hot Tub Filter Pleatco PMA20F2M
Replacement Hot Tub Filter
Price: $21.55
Sale Price: $20.49
Save $1.06!

(6)
25 sq. ft. Master Spas  

Replacement for Hot Tub Filter numbers Pleatco # PGS25 Unicel # C-4324 Filbur # FC-0187  

OD 4-5/8" Length 9-3/4" Top ID Handle Bottom ID 1-9/10"
AK-9004 25 sq. ft. Replacement Hot tub Filter

Saratoga, Dream Maker, Gatsby, Mountain Streams, Blue Ridge, White Springs, Hydro, LA Spas, Icon Spas

Replacement for Hot Tub Filter numbers Pleatco # PGS25P4 Unicel # 4CH-24 Filbur # FC-0131 OD 4-5/8" Length 9-3/4" Top ID Handle Bottom ID 1-1/2" MPT

Master Spas Contractor Series (CS) 415

Master Spa Number X268521

Diameter - 4 3/4"
Height - 8 1/6"
Top Handle
Bottom 2" MPT Threaded
Pleatco PGS25P4 Replacement Hot Tub Filter Replacement Hot Tub Filter
Pleatco PGS25P4 25 sqft Hot Tub Filter
Price: $27.82
Sale Price: $24.50
Save $3.32!
Replacement Hot Tub Filter
Price: $26.00
Sale Price: $24.95
Save $1.05!
25 sq. ft. Hot Tub Filter

White Springs Spas, Advanced Spas Design, Blue Ridge Spas, CTA Spas, Dream Maker Spas, Gatsby Spas, Heartland Spas, Hydro Spa, Icon / Keyes Spas, Imperial Spas, Lowes, Lumi-O, Master Spas, Mountain Meadows Spas, Mountain Mist Spa, Mountain Springs Spas, Mountain Stream Spas, Nemco, Quantum Spas, Saratoga Spas, Spa Manufacturers Inc., Vita Spas,

Replacement for Hot Tub Filter numbers Unicel # 4CH-24 Filbur # FC-0131  

OD 4-5/8"
Length 9-3/4"
Top ID Handle
Bottom ID 1-1/2" MPT
35 sq. ft. Rainbow, Pentair Dynamic 35, Custom Molded, Bullfrog, Clearwater, Moose Mountain, Leisure Bay Mfg  

Replacement for Hot Tub Filter numbers Pleatco # PRB35-IN Unicel # C-4335 Filbur # FC-2385  

OD 4-15/16"
Length 9-1/4"
Top ID 2-1/8"
Bottom ID 2-1/8"
25 sq. ft. Santanna Spas, Conger Bros  

Replacement for Hot Tub Filter numbers Pleatco # N/A Unicel # C-4428 Filbur # FC-2620  

OD 4-15/16" Length 9-13/16" Top ID 2-1/8" Bottom ID 2-1/8"
Pleatco PGS25P4M Pleatco PDC400AFS
Pleatco PGS25P4-M 25 sqft Hot Tub Filter
Price: $31.97
Sale Price: $28.90
Save $3.07!
Pleatco PDC400-AFS
Price: $43.22
25 sq. ft. Saratoga, Dream Maker, Gatsby, Mountain Streams, Blue Ridge, White Springs, Hydro, LA Spas, Icon Spas

Replacement for Hot Tub Filter numbers Unicel # 4CH-24 Filbur # FC-0131  

OD 4-5/8"
Length 9-3/4"
Top ID Handle
Bottom ID 1-1/2" MPT (Anitmicrobial)
Dual Core Advanced Filtration System for PDM25P4

25 sqft Hot Tub Filter

Gatsby Spas, Dream Maker Spas

Replacement for Hot Tub Filter numbers: Pleatco PDM25P4

OD - 4 3/4"
Length - 8 1/8"

Antimicrobial