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143 products found
Sta-Rite System Replacement Element 100 Sq Ft Cartridge PLM100 | 27002-0100S
Sta-Rite System Replacement Element 100 Sq Ft Cartridge PLM100 | 27002-0100S
Sale $322.55
$241.52
★★★★★ (14)
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Replacement Cartridges for Pentair Quad DE 60 | 4-Pack | 178654 C-6960 XLS-621 FC-1961 PC-1961 FC-6480
Replacement Cartridges for Pentair Quad DE 60 | 4-Pack | 178654 C-6960 XLS-621 FC-1961 PC-1961 FC-6480
$246.32
★★★★★ (8)
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Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter S7M120 | 300 Sq Ft | 170145
Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter S7M120 | 300 Sq Ft | 170145
$429.00
★★★★★ (15)
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Sta-Rite DE Module 60 Sq Ft for S7MD60 Filter | 25023-0160S
Sta-Rite DE Module 60 Sq Ft for S7MD60 Filter | 25023-0160S
$474.84
★★★★★ (10)
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Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter S8M150 | 450 Sq Ft | 170147
Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter S8M150 | 450 Sq Ft | 170147
$679.00
★★★★★ (3)
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Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 500 Sq Ft | S8M500-KIT | 170148
Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 500 Sq Ft | S8M500-KIT | 170148
$883.09
★★★★★ (2)
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Replacement Cartridge for Hayward Star-Clear Plus C900 | CX900RE C-8409 XLS-818 19002 PC-1292 PA90 FC-1292
Replacement Cartridge for Hayward Star-Clear Plus C900 | CX900RE C-8409 XLS-818 19002 PC-1292 PA90 FC-1292
$68.55
★★★★★ (10)
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Replacement Cartridge for Hayward Star-Clear Plus C751 | CX760RE C-8411 XLS-801 17530 PC-1255 PWWCT75 FC-1255
Replacement Cartridge for Hayward Star-Clear Plus C751 | CX760RE C-8411 XLS-801 17530 PC-1255 PWWCT75 FC-1255
$57.51
★★★★☆ (8)
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Replacement Cartridges for Pentair Clean & Clear Plus 240 | 4-Pack | R173572 178569 FC-1975 C-7469 PCC60 XLS-764 16011 PC-1975 FC-6460 PCC60-PAK4
Replacement Cartridges for Pentair Clean & Clear Plus 240 | 4-Pack | R173572 178569 FC-1975 C-7469 PCC60 XLS-764 16011 PC-1975 FC-6460 PCC60-PAK4
Sale $183.19
$119.00
★★★★★ (31)
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Replacement Filter Cartridge for Jandy CS100 | R0462200 C-8410 XLS-828 PC-0821 PJANCS100 FC-0821
Replacement Filter Cartridge for Jandy CS100 | R0462200 C-8410 XLS-828 PC-0821 PJANCS100 FC-0821
$73.65
★★★★★ (9)
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Replacement Cartridge for Hayward Star-Clear C250 | CX250RE C-7626 XLS-736 12509 PC-1230 PA25 FC-1230
Replacement Cartridge for Hayward Star-Clear C250 | CX250RE C-7626 XLS-736 12509 PC-1230 PA25 FC-1230
$36.18
★★★★★ (11)
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Replacement Cartridges for Pentair Predator and Clean & Clear 50 | R173213 59054000 PAP50-4 FC-0684 C-9405 XLS-919 15036 PC-0684 PAP50
Replacement Cartridges for Pentair Predator and Clean & Clear 50 | R173213 59054000 PAP50-4 FC-0684 C-9405 XLS-919 15036 PC-0684 PAP50
$55.39
★★★★★ (14)
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Filter Flosser Cartridge Filter Cleaner | P50413
Filter Flosser Cartridge Filter Cleaner | P50413
$34.22
★★★★☆ (1)
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Replacement Cartridge for Jandy CL340 and CV340 | A0557900 R0554500 C-7459 XLS-735 18504 PC-0800 PJAN85 FC-0800 70851
Replacement Cartridge for Jandy CL340 and CV340 | A0557900 R0554500 C-7459 XLS-735 18504 PC-0800 PJAN85 FC-0800 70851
$70.38
★★★★★ (6)
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Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 400 Sq Ft | S7M400-KIT | 170146
Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 400 Sq Ft | S7M400-KIT | 170146
$599.00
★★★★★ (2)
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Replacement Cartridge for Hayward Micro StarClear C-225 | CX225RE PA225 FC-1220
Replacement Cartridge for Hayward Micro StarClear C-225 | CX225RE PA225 FC-1220
$19.37
★★★★☆ (8)
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Replacement Cartridge for Hayward XStream CC1000 100 Sq Ft Cartridge Filter | CCX1000RE FC-1285 C-8311 XLS-819 19935 PC-1285 PXST100
Replacement Cartridge for Hayward XStream CC1000 100 Sq Ft Cartridge Filter | CCX1000RE FC-1285 C-8311 XLS-819 19935 PC-1285 PXST100
$70.71
★★★★★ (5)
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Pool Systems Water-Wand | Cartridge Filter Cleaner | CWS186 CWL052
Pool Systems Water-Wand | Cartridge Filter Cleaner | CWS186 CWL052
$114.85
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Pentair OEM PacFab Clean & Clear Plus 520 Replacement Cartridges | Set of 4 | 179136
Pentair OEM PacFab Clean & Clear Plus 520 Replacement Cartridges | Set of 4 | 179136
$383.43
★★★★★ (6)
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Replacement Cartridge for American Commander 25 C225 | FC-0640 PC-0640
Replacement Cartridge for American Commander 25 C225 | FC-0640 PC-0640
$66.15
★★★★★ (4)
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Pentair Pool Filter Cartridges
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Spa Filter Cartridges
Filter Cleaning Accessories

Pool Filter Cartridge Replacements

When experienced pool owners need the highest quality pool filter cartridge replacements, they turn to Pool Supply Unlimited. We make it easy to find the right pool cartridge filter for your system with our cartridge finder tool, and offer an impressive selection of cartridge filters and D.E. filter grid replacements that keep your water clean while saving you money. Browse our entire collection of pool supplies today for the best products to keep pool running like new for years to come.

When & How to Clean Your Pool Cartridge 

Pool filter cartridges should be cleaned on average, every six months, or when your filter pressure gauge has increased about 8 to 12 PSI above the recommended starting pressure of your pool filter.
 
To clean your pool cartridge filter, you’ll want to first turn off the filtration system and remove your pool cartridge filter. Remove any large dirt or debris, then clean the pool cartridge filter with the necessary filter cleaning accessories, checking for tears, cracks or damage each time.
 
After you’ve successfully cleaned your pool cartridge filter, allow it to fully dry before inserting it back into the filter tank. If waiting for your filter to dry isn’t an option, consider keeping a pool cartridge filter replacement on hand, this way you’ll always have a clean, dry cartridge to use right away. 

When to Replace Your Pool Cartridge Filter

On average, your pool cartridge filter should last you 3-5 years, depending on the demand placed on it. A damaged filter can affect the overall performance of your filter and subsequently how clean your pool is. Here are some telltale signs that it may be time to replace your pool cartridge filter.
 
If your pool cartridge filter is worn or damaged (broken end caps, fraying pleats, or degrading material) we recommend replacing it. If the cartridge has stains that do not come out with cleaning, it means your filter is saturated with oils and should be replaced.
 
Shop Pool Supply Unlimited today for the quality pool filter cartridge replacements you need at prices you’ll love!
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What Replacement Filter Cartridge Do I Need?

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Not sure what model you need to replace that dirty cartridge in your filter? Here are some tips to take away the confusion and get the problem solved.

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If your pump is the heart of your pool or spa the filter is its kidneys. Daily, your filter removes dirt, oil, organic and inorganic substances. Having clean, healthy water is dependent on your filter operating at its peak performance and that is with a clean filter.

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Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in San Antonio, TX and can land most products to your door (within the 48 contiguous states) in less than a week.
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