Replacement Filter Cartridges

Trying to find the right replacement filter cartridge for your swimming pool or spa can be difficult and frustrating. With over 650 filter cartridges for your pool or spa to choose from, we are sure to have exactly what you are looking for. Our goal is to make your search for the right replacement filter cartridge as easy as possible.

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Top Cap 2 1/8"
Bottom Cap 2 1/8"
Outer Diameter 5"
Length 13 5/16"
Original Manufacturer Coast Spas
Description: Filter Cartridge for Dynamic Series IV DFM, DFML, Series II & III RTL/RCF-50, Series I RDC-50, RDC-50S, Waterway, and Custom Molded Products, 50 sq ft.
Pleatco:
Unicel# C-4950
Filbur# FC-2390
Price: $19.99
Pleatco:
Antimicrobial
Unicel# C-4950
Filbur# FC-2390
Price: $28.99
Part Number: PCST120
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Top Cap 2 1/8"
Bottom Cap 2 1/8"
Outer Diameter 5 3/8"
Length 30 1/8"
Original Manufacturer Coast Spas
Description: Filter Cartridge for Coast Spas Top load 135, Waterway Plastics, 120 sq ft.
Pleatco:
Unicel# C-5351
Filbur# FC-2976
Price: $46.99
Pleatco:
Antimicrobial
Unicel# C-5351
Filbur# FC-2976
Price: $58.99
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Top Cap 2 1/8"
Bottom Cap 2 1/8"
Outer Diameter 5 3/8"
Length 21 5/16"
Original Manufacturer Coast Spas
Description: Filter Cartridge for Coast Spas Top load 100, Waterway Plastics, 80 sq ft.
Pleatco:
Unicel# C-5396
Filbur# FC-2975
Price: $38.99
Pleatco:
Antimicrobial
Unicel# C-5396
Filbur# FC-2975
Price: $42.99
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