Best Blue Cartridge Pool Filters in 2026

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Unicel C-4325, C-4326, Filbur FC-2390, and Pleatco PRB50-IN and PRB68. See below for alternative filter names. Filters May Be Green or Blue

✅ DIMENSIONS - This replacement pool filter cartridge has an open 2 1/8 inch (2.125") top, 2 1/8 inch (2.125") open hole bottom, 5 inch (5") diameter and 13 5/16 inch (13.3125") length. The filter material is made of USA made premium spunbond trilobal filter material for better filtration.

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Unicel C-8326, Filbur FC-2780, Pleatco PSD125-2000. Alternate Filter Names below. Filters May Be Green or Blue

✅ DIMENSIONS -Length: 19", Diameter: 8-1/2", Top: 2-3/16" slip, Bottom: 2-3/4" hole (beveled edge)

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco: PSD85-2002, Unicel: C-8380, Filbur: FC-2810. Check below for alternate filter names. Filters May Be Green or Blue

✅ DIMENSIONS - Diameter: 8 1/2" Length: 14" Top: 2" SAE (Closed) Bottom: 2 1/2" tapered

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PWK30, Filbur FC-3915, Unicel C-6430. Alternative filter names: 31489, 73178, Tri-X, 71825, 75041, 0969601, APCC7095, 13004, PKW30, APCC7095M, SD-01242, 090164824000, PWK 30, PDC510-AFS. Filters May Be Green or Blue

✅ DIMENSIONS - This replacement pool filter cartridge has an open 1 15/16 inch (1.9375") top, 1 15/16 inch (1.9375") open hole bottom, 5 7/8 inch (5.875") diameter and 10 1/2 inch (10.5") length. The 30 sq. ft. of premium filter material is easier to clean, filters better and lasts longer.

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for: Pleatco PGS25P4, Unicel 4CH-24, Filbur FC-0131. Check below for other alternative cartridge filter names. Filters May Be Green or Blue

✅ DIMENSIONS - Diameter: 4 5/8" Length: 9 3/4" Top: Handle Bottom: 1 1/2" MPT Threaded

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Filbur FC1001M, and replacement for Pleatco PWWCT150, Unicel C-8414, Filbur FC-1287. Used in pools/spas made by: Jandy, Waterway Plastics & other manufacturers. Filters May Be Green or Blue

✅ DIMENSIONS - This replacement pool filter cartridge has an 4 inch (4") open hole top, 4 inch (4") open hole bottom, 8 15/16 inch (8.9375") diameter and 23 5/16 inch (23.3125") length. The 150 sq. ft. of premium material is easier to clean, filters better and lasts longer.

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅REPLACEMENT FILTER - Compatible with Replaces: PA112 Unicel: C-7489 Filbur: FC-1275. See below for alternate filter names. Filters May Be Green or Blue

✅DIMENSIONS - Diameter: 7" Length: 25 1/2" Top: Open Hole: 3" Bottom: Open Hole: 3"

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅REPLACEMENT FILTER - Compatible with Replaces: Unicel 5CH-35, Filbur FC-0300, Pleatco PMAX50P4. See below for alternate filter names. Filters May Be Green or Blue

✅DIMENSIONS - Length: 8-7/16" Diameter: 5-3/4" Top: Handle Bottom: 1-1/2" MPT threaded

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅REPLACEMENT FILTER - Get purer, cleaner water in your spa or hot tub with these replacement cartridge filters compatible with: Unicel C-9410, Filbur FC-0686, Pleatco PAP100-4 Filters May Be Green or Blue

✅ DIMENSIONS -Length: 23-5/8", Diameter: 10-1/16", Top opening: 6", Bottom opening: 6"

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Unicel C-4995RA, Filbur FC-2940M, Pleatco PCAL100-M Filters May Be Green or Blue

✅ DIMENSIONS - Length: 23-5/8" Diameter: 5" Top opening: 2-1/8" Bottom opening: 2-1/8"

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PA131, Filbur FC-1227, Unicel C-7497. Alternative filter names: CX1280-XRE, CX1280-RE, Hayward Swim Clear C-5025, Hayward Swim Clear C-5030, 17-175-1338, APCC7181, 22506, FC-6435, 090164021386, SD-01064, PA131-4. Filters May Be Green or Blue

✅ DIMENSIONS - This replacement pool filter cartridge has an 3 inch (3") open hole top, 3inch (3") open hole bottom, 7 inch (7") diameter and 32 3/4 inch (32.75") length. The 131 sq. ft. of premium filter material is easier to clean, filters better and lasts longer.

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Unicel C-5397 Filbur FC-2972 Pleatco PLBS100 Filters May Be Green or Blue

✅ DIMENSIONS - Length: 17-3/4", Diameter: 5-5/16", Top opening: 2-1/8", Bottom opening: 2-1/8"

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible with: for Unicel c-4313, Pleatco PBW4PAIR, Filbur FC-3753 | Intex Sand N Sun Size D, Wal Mart Simple Set Type 1, Aqua Leisure Size 1. Filters May Be Green or Blue

✅ DIMENSIONS - This replacement pool filter cartridge has an open 2 1/16 inch (2.0625") top, 2 1/16 inch (2.0625") open hole bottom, 4 1/4 inch (4.25") diameter and 3 3/4 inch (3.75") length. The filter material is made of USA made premium spunbond trilobal filter material for better filtration.

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PA126, Unicel C-7495, Filbur FC-1296. Alternate filter names: CX1260-RE, C-126RE, C5020, Hayward Super-Star-Clear C5000, Hayward SwimClear C5020, 17-175-1348, APCC7181, 22506. Filters May Be Green or Blue

✅ DIMENSIONS - This replacement pool filter cartridge has a 3 inch (3") open hole top, 3 inch (3") open hole bottom, 7 inch (7") diameter and 32 7/8inch (32.875") length. The 126 sq. ft. of premium filter material is easier to clean, filters better and lasts longer.

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

✅ { NSF/ANSI 50 CERTIFIED } Our Pool and Spa filters are 100% tested and certified by IAPMO to surpass NSF/ANSI 50 standards. You can rest assured knowing that MOAJ filters will purify your water to provide the SAFEST and CLEANEST swimming environment possible! NO MORE GREEN.

✅ { COMPATIBILITY } Filtration Area: 150 sq ft. Filter Length: 23 1/4". Outside Diameter: 8 15/16". Top Cap Inside Diameter: 4". Bottom Cap Inside Diameter: 4". Fitment: Jandy CS150, Waterway ProClean 150, Hayward X-Stream CC1500, PWWCT150, C-8414, FC-1287, 823-205, 817-0150, PCCF-150. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. MOAJ is an independent brand.

✅ { PEAK PERFORMANCE } MOAJ Advanced “Dirt-Locking Technology" captures more contaminants than other filters on the market. Our cartridges efficiently remove hair, leaves, dust, sand, sediment, and much more! Relax and enjoy your clean and clear pool.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PRB50IN, Unicel C-4950, Filbur FC-2390. Filters May Be Green or Blue

✅ DIMENSIONS - This replacement pool filter cartridge has an open 2 1/8 inch (2.125") top, 2 1/8inch (2.125") open hole bottom, 4 15/16 to 5 inches diameter and 13 5/16 inch (3.3125") length. The filter material is premium spunbond trilobal filter material for better filtration.

✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.