Cartridges and grids are essential components for pool filtration systems. They trap debris and help maintain clean, clear water.
Regular replacement improves efficiency and extends system life.


Products 1-24 of 24
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36 SqFt DE Filter Grid 36 SqFt DE Filter Grid, PG-1903
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Price: $15.63
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Item #: PG-1903 -

    Description A DE Filter Grid is a key internal component of diatomaceous earth (DE) pool and spa filtration systems, responsible for capturing ultra-fine debris and maintaining clear, clean water. The filter grid provides the surface area needed for DE powder to coat evenly, forming a highly effective filtration layer inside the filter tank. As water passes through the DE filter system, contaminants such as dirt, algae, oils, and fine particles are trapped on the DE-coated filter grid while...

    48Vgf Large Filter Grid Assembly 48Vgf Large Filter Grid Assembly, Parts, Pentair, Pool Supplies
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    Price: $55.73
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    Item #: 190120 -

      Descriptionanchor The 48 VGF Large Filter Grid Assembly is engineered for use with the FNS Plus FNSP48 Vertical Grid Pool and Spa Diatomaceous Earth (D.E.) Filter. This comprehensive kit contains all the components necessary for a full grid replacement, ensuring your pool’s filtration system operates at optimal performance. Featuring durable, heavy-duty polyester with a reinforced core, the grid assembly is built to withstand the wear and tear of continuous use while maintaining its structural...

      Aladdin 12502 Cartridge FIlter Replacement for Dynamic Series I-IV
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      Price: $30.13
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      Item #: 12502 -

        25 Sq. Ft. Dimensions: Outside Diameter: 4-15/16"Inside Diameter: 2-1/8"Length: 13-5/16" Fits many different 25 sq. ft. Applications  Replacements: Custom Molded Products (CMP®) 25392-000-100Filbur FC-2370/FC-2375Hot Springs SPAS33521Pleatco PRB25-IN/PRB25-IN-4Unicel C-4326/C-4625Waterway™ Plastics/Leisure Bay 817-2500B

        Aladdin 14511 Cartridge Filter Replacement
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        Price: $47.46
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        Item #: 14511 -

          45 Sq. Ft. Dimensions: Outside Diameter: 4-15/16"Inside Diameter: 2-1/8"Length:12-1/4" Replacements: Filbur FC-2394Pleatco PDS45

          Aladdin 15049 Cartridge Filter Replacement for Marquis Spa
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          Price: $23.30
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          Item #: 15049 -

            50 Sq. Ft. Dimensions: Outside Diameter: 5-3/16"Top: HandleBottom: 2" Open bottom with male threaded fitting (MPT)Length: 12-1/2" Replacements: Unicel 5CH-502Filbur FC-0195Pleatco PPM50SC-F2MMarquis 370-0237

            Aladdin 17509 Cartridge Filter Replacement
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            Price: $66.57
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            Item #: 17509 -

              Dimensions: Outside Diameter: 7”Inside Diameter: 3"Length: 19-5/8"Up To 4 Required Depending on Unit Replacements: Filbur FC-1260Pleatco PA75SVSta-Rite (Pentair®) PRC75/PRC-75Swimquip™ (Sta-Rite®/Pentair®) 25200-0175SPRCUnicel C-7477

              Aladdin 17512 Filter Cartridge Replacement Advanced Spa
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              Price: $66.03
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              Item #: 17512 -

                75 Sq. Ft. Dimensions: Outside Diameter: 6”Inside Top: Semi-Cir. HandleBottom: 1-7/8"Length: 14-3/4" Replacements: Advance Spa SNSSpaFilbur FC-3089Pleatco PTL50W-P4

                Aladdin 17513 Cartridge Filter Replacement (Models After 1992)
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                Price: $84.98
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                Item #: 17513 -

                  75 Sq. Ft.  (Models After 1992) Dimensions: Outside Diameter: 8"Inside Top: 2-1/16" Male SlipInside Bottom: 2", Male SlipLength: 13" Replacements: Coleman Spas 3301-2262/100594Filbur FC-3320Pleatco PCS75NUnicel C-8475

                  Aladdin 17523 Cartridge Replacement for Caldera Spas
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                  Price: $78.52
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                  Item #: 17523 -

                    75 Sq. Ft. Dimensions: Outside Diameter: 7"Top: Semi-Circle Handle Bottom: Male Slip w/O-RingLength: 14-3/4" Replacements: Filbur FC-3085Pleatco PCD75Unicel: C-7479

                    Aladdin 17530 Spa Filter Replacement
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                    Price: $75.34
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                    Item #: 17530 -

                      75 Sq. Ft. Dimensions: Outer Diameter: 8-15/16"Inner Diameter: 4"Length: 17-3/8" Replacements: Filbur FC-1255 Pleatco PA76 Unicel C-8411

                      Aladdin 18503 ASL? Cartridge Filter Replacement
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                      Price: $115.34
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                      Item #: 18503 -

                        85 Sq. Ft. Dimensions: Outside Diameter: 9-1/4"Inside Diameter: 3"Length: 14-3/16" Replacements: Filbur FC-1298Hayward  CX850REPleatco PA85-4Unicel C-9485

                        Aladdin 19930 Cartridge Filter Replacement
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                        Price: $60.60
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                        Item #: 19930 -

                          100 Sq. Ft. Dimensions: Filter Bottom Configuration 2 1/8"Filter Length 17 3/4"Filter Outer Diameter 5 5/16"Filter Top Configuration 2 1/8" Replacements: Pleatco Part # PLBS100Filbur Part # FC2972Unicel Part # C5397

                          Aladdin 22001 Cartridge Replacement for Sundance Spas
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                          Price: Contact for Pricing Allow 3 - 4 weeks lead tim
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                          Item #: 22001 -

                            125 Sq. Ft. Dimensions: Outside Dimension: 8-1/2"Top: Closed w/ stepBottom: 2-1/2" OpenLength: 18" Replacements: Unicel C-8325Filbur FC-2790Pleatco PSD125U

                            Aladdin 29912 XStream Cartridge Filter Replacement
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                            Price: $122.00
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                            Item #: 29912 -

                              200 sq. ft. Dimensions: Diameter: 8 15/16"Length: 29 3/8"Top: Open Hole: 4"Bottom: Open Hole: 4" Replacements: Pleatco PXST200Unicel C-8319Filbur FC-1288

                              Cartridge for Jacuzzi Premium J-300, J400 Cartridge for Jacuzzi Premium J-300, J400, PJW60TL-F2S
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                              Price: $29.88
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                              Item #: PJW60TL-F2S -

                                IMPORTANT PRODUCT CHANGE INFORMATION Filter PJW60TL-XF2S, which had a 2 3/8" Keyed hole bottom that slid over a tube and turned to lock, has been discontinued! It has been replaced with filter PJW60TL-F2S. This is a special order filter which has a 2" MPT Threaded permanent adapter on the bottom. What Spa owners of part PJW60TL-XF2S NEED to Do! You will need to unthread the keyed adapter that is located at the bottom of the skim well.(Note: This is an adapter for the cartridge and not a part...

                                DE Grid, Pent/Hayward/Jacuzzi/Zod, Full, 24"x11", for 48 sqft DE Grid, Pent/Hayward/Jacuzzi/Zod, Full, 24"x11", for 48 sqft
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                                Price: $60.39
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                                Item #: DEX4800DA -

                                  Description The Hayward 20-DEX4800DA is a 48 SqFt DE4820 Full Filter Grid. This filter grid is used to filter your pools water. It uses sedimentary rock to filter. It is a genuine Hayward product.

                                  DE Grid, Pent/Hayward/WW/Zod Partial, 24"x9-3/4", for 48 sqft DE Grid, Pent/Hayward/WW/Zod Partial, 24"x9-3/4", for 48 sqft
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                                  Price: $62.44
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                                  Item #: DEX4800DS -

                                    Description The DE4820 Filter Element is a heavy-duty replacement filter grid designed for use in the Hayward Pro-Grid DE4820 filter. Constructed from durable polyester with a reinforced core, this 24” grid provides 48 square feet of filtration coverage. It effectively supports Diatomaceous Earth powder, ensuring superior filtration by capturing even the smallest pool particles. This filter element helps maintain crystal-clear water and enhances overall filtration efficiency, while also...

                                    Pentair 177010 Cartridge Filter Replacement for Posi-Flo Pentair 177010 Cartridge Filter Replacement for Posi-Flo, Parts, Pentair, Pool Supplies
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                                    Price: $191.57
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                                    Item #: 177010 -

                                      Pentair Filter Cartridge Replacement Posi-Flo 135 Sq Ft | 177010 Replaces Part # WC108-70S2X

                                      Pleatco PLBS50 Replacement Cartridge for Leisure Bay, Dynasty Spas, Waterway, Rainbow
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                                      Price: $27.95
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                                        Cartridge, 50 sq ft Dimensions: Length: 10 1/8"Outside Diameter: 5 5/16"Top Diameter: OpenBottom Diameter: 2-1/8" Replaces: Filbur FC-2970Aladdin 14513Leisure Bay/Rec Warehouse 173584Leisure Bay/Rec Warehouse 817-0014LP 50 sq. ft.Unicel C-5345Waterway Plastics 817-0014 Pleatco PLBS50 Replacement Cartridge for Leisure Bay, Dynasty Spas, Waterway, Rainbow ...

                                        Unicel 5CH-35 Replacement Cartridge Filter for Maax Spas/Elite Spas
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                                        Price: $29.95
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                                        Item #: 5CH-35 -

                                          35 sq. ft. Dimensions: Diameter: 5-5/8"Top Diameter: HandleBottom End Cap Diameter: 1-1/2" male thread/mpt Compatible Filters: Filbur FC-0300Pleatco PAS-35P  Recommend For Maax Spas / Coleman Spas / Elite Spas

                                          Unicel 6CH-941 Replacement Filter Cartridge
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                                          Price: $51.45
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                                          Item #: 6CH-941 -

                                            Cartridge 45 Sq. Ft.Dimensions: Length: 8 1/4"Outside Diameter: 6"Top Hole: HandleReplaces: Filbur FC-0360Custom Molded Products 25253Custom Molded Products 25254Waterway Plastics 817-0011Pleatco PWW100ST-P3Aladdin 14018

                                            Unicel Replacement Filter Cartridge C-9650 Unicel Replacement Filter Cartridge C-9650
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                                            Price: $34.88
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                                            Item #: C-9650 -

                                              Replacement Filter Cartridge SKU: C-9650 Cartridge, 050 sf,  Dimensions: OD: 9-15/16 in.Length: 10 in.Top End Cap: 5-13/16 in. openingBottom End Cap: 6-1/16 in. opening Replaces: Pleatco: PJ 50Aladdin: 15015Filbur: FC-1460 Compatible for Jacuzzi, Atlantic Pool Products, Cantar