Cartridges - 4" up to 4.99" Outside Diameter

Cartridges - 4" up to 4.99" Outside Diameter

Unicel Replacement Filter Cartridges - 4CH-935
$38.00

Unicel Replacement Filter Cartridges - 4CH-935

4-15/16" Unicel Filter Cartridge - 4CH-935 (T-35) for Nordic Retreat Hot Tub Unicel # 4CH-935 (T-35) Pleatco # PWW35L OD 4-15/16" Length 9-1/4" OE...

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$38.00
Unicel Replacement Filter Cartridges - C4950
$39.00

Unicel Replacement Filter Cartridges - C4950

4-15/16" Unicel Filter Cartridge - C4950 Unicel # C-4950 Pleatco # PRB50-IN Filbur # FC-2390 OD 4-15/16" Length 13-5/16" OEM # C4950 OEM # 172380 ...

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$39.00
Unicel Replacement Filter Cartridges - C4310
$20.00

Unicel Replacement Filter Cartridges - C4310

4-1/4" Unicel Filter Cartridge - C4310 Unicel # C-4310 Pleatco # PWW10 Filbur # FC-3077 OD 4 1/4" Length 4" OEM # 378900 OEM # 25249 OEM # 146949 ...

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$20.00
Unicel Replacement Filter Cartridges 5CH-45
$47.00

Unicel Replacement Filter Cartridges - 4CH-949

4-15/16" Unicel Filter Cartridge - 4CH-949 Unicel # 4CH-949 Pleatco # PWW50L Filbur # FC-0172 OD 4 15/16" Length 13 1/2" OEM # 4CH949 Top End Cap ...

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$47.00
Unicel Replacement Filter Cartridges - 4CH-21
$36.00

Unicel Replacement Filter Cartridges - 4CH-21

4-5/8" Unicel Filter Cartridge - 4CH-21 Unicel # 4CH-21 Pleatco # PTL18P-4 Filbur # FC-0136 OD 4 5/8" Length 8" OEM # 20245-238 OEM # PVT 25N OEM ...

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$36.00
Unicel Replacement Filter Cartridges - C4325
$27.00

Unicel Replacement Filter Cartridges - C4325

4-5/8" Unicel Filter Cartridge - C4325 Unicel # C-4325 Pleatco # PA225-4 Filbur # FC-1220 OD 4-5/8" Length 11-7/8" OEM # CX225RE OEM# 57010500 OEM...

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$27.00
Unicel Replacement Filter Cartridges - C4975
$57.00

Unicel Replacement Filter Cartridges - C4975

4-15/16" Unicel Filter Cartridge - C4975 Unicel # C-4975 Pleatco # PRB75 Filbur # FC-2395 OD 4-15/16" Length 20-1/8" OEM # 25390 OEM # R173435 OEM...

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$57.00
Unicel Replacement Filter Cartridges - C4625
$35.00

Unicel Replacement Filter Cartridges - C4625

4-15/16" Unicel Filter Cartridge - C4625 Unicel # C-4625 Pleatco # PRB25-IN-4 Filbur # FC-2370 OD 4-15/16" Length 13-5/16" OEM # 17-2325 OEM# C462...

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$35.00
Unicel Replacement Filter Cartridges - M4306
$54.00

Unicel Replacement Filter Cartridges - M4306/C4405

4-15/16" Unicel Filter Cartridge - M4306, (Pair of C-4405) Unicel # C-4405 (pair) Pleatco # PRB25SF-PAIR Filbur # FC-2387 OD 4-15/16" Length 6-5/8...

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$54.00
Unicel Replacement Filter Cartridges - M4302
$47.00

Unicel Replacement Filter Cartridges - M4302/C4401

4-15/16" Unicel Filter Cartridge - M4302, (Pair of C-4401) Unicel # C-4401 (pair) Pleatco # PRB17.5SF-PAIR Filbur # FC-2386 OD 4-15/16" Length 4-5...

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$47.00
Unicel Replacement Filter Cartridges - C4995
$84.00

Unicel Replacement Filter Cartridges - C4995

4-15/16" Unicel Filter Cartridge - C4995 Unicel # C-4995 Pleatco # PCAL100 Filbur # FC-2940 OD 4-15/16" Length 23-5/8" OEM # 817-1000 OEM # C4995 ...

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$84.00
Unicel Replacement Filter Cartridges - C4607
$11.00

Unicel Replacement Filter Cartridges - C4607

4-1/4" Unicel Filter Cartridge - C4607 Unicel # C-4607 Pleatco # PC7-120 Filbur # FC-3710 OD 4 1/4" Length 8" OEM # PC7-120 OEM # Size 2 OEM # 586...

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$11.00
Unicel Replacement Filter Cartridges - C4604
$20.00

Unicel Replacement Filter Cartridges - C4604

4-1/4" Unicel Filter Cartridge - C4604 Unicel # C-4604 Pleatco # PHP18 Filbur # FC-3758 OD 4 1/4" Length 17 7/8" OEM # 1370031 OEM # C4604 Top End...

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$20.00
Unicel Replacement Filter Cartridges - C4335
$33.00

Unicel Replacement Filter Cartridges - C4335

4-15/16" Unicel Filter Cartridge - C4335 Unicel # C-4335 Pleatco # PRB35-IN Filbur # FC-2385 OD 4-15/16" Length 9-1/4" OEM # 03FIL1300 OEM # 25393...

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$33.00
Unicel Replacement Filter Cartridges - C4326
$24.00

Unicel Replacement Filter Cartridges - C4326

4-15/16" Unicel Filter Cartridge - C4326 Unicel # C-4326 Pleatco # PRB25-IN Filbur # FC-2375 OD 4-15/16" Length 13-5/16" OEM # 3005845 OEM # C4326...

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$24.00
Unicel Replacement Filter Cartridges - C4304
$12.00

Unicel Replacement Filter Cartridges - C4304

4-1/4" Unicel Filter Cartridge - C4304 Unicel # C-4304 Pleatco # PC7-TC Filbur # FC-3711 OD 4 1/4" Length 8" OEM # 1370046 OEM # C4304 Top End Cap...

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$12.00
Unicel Replacement Filter Cartridges - C4302
$23.00

Unicel Replacement Filter Cartridges - C4302

4-5/8" Filter Cartridge - C4302 Unicel # C-4302 Pleatco # PSS17.5 Filbur # FC-0183 OD 4 5/8" Length 8" OEM # C4302 OEM # AK-3002 Top View: molded ...

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$23.00
Unicel Replacement Filter Cartridges - 4CH-925
$34.00

Unicel Replacement Filter Cartridges - 4CH-925

4-5/8" Unicel Filter Cartridge - 4CH-925 Unicel # 4CH-925  Pleatco # PSANT20P3 Filbur # FC-0126 OD 4-5/8" Length 7-1/4"  OEM # 4CH925 Top End Cap ...

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$34.00
Unicel Replacement Filter Cartridges - 4CH-24
$38.00

Unicel Replacement Filter Cartridges - 4CH-24

4-5/8" Unicel Filter Cartridge - 4CH-24 Unicel # 4CH-24 Pleatco # PTL25P-4 Filbur # FC-0131 OD 4-5/8" Length 9-3/4" OEM # 20254-238 OEM # 4CH24 To...

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$38.00
Unicel Replacement Filter Cartridges - 4CH-23
$33.00

Unicel Replacement Filter Cartridges - 4CH-23

4-15/16" Unicel Filter Cartridge - 4CH-23 Unicel # 4CH-23 Pleatco # PFF25TC-P4 Filbur # FC-2400 OD 4-15/16" Length 6-5/8" OEM # 4CH23 Top End Cap ...

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$33.00
Unicel Replacement Filter Cartridges - 4CH-22
$32.00

Unicel Replacement Filter Cartridges - 4CH-22

4-15/16" Unicel Filter Cartridge - 4CH-22 Unicel # 4CH-22 Pleatco # PFF25P4 Filbur # FC-2399 OD 4-15/16" Length 6-5/8" OEM # 4CH22 Top End Cap 2-1...

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$32.00