★★★★★ 5
Reliable Product
Style: Ink
Good color. Easy to use. A little expensive.
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Reviewed in the United States on May 30, 2026
C-6900 Unicel Replacement Cartridge | Pentair Quad DE 100 Filter | 1 Pack | OEM 178656
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
C-6900 Unicel Replacement Cartridge | Pentair Quad DE 100 Filter | 1 Pack | OEM 178656Pentair Quad DE 100 Pool Filter Cartridge Replacement (1 Pack) C 6900. Elevate the purity of your pool water with this Pentair Quad DE 100 Series replacement cartridge. Engineered exclusively for the Quad DE 100 filter platform, this cartridge merges the fine particle capturing power of diatomaceous earth technology with the user friendly convenience of a cartridge format. Each unit provides 25 square feet of active filtration surface, delivering
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Your C-6900 Unicel Replacement Cartridge | Pentair Quad DE 100 Filter | 1 Pack | OEM 178656 orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
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Product Reviews
★★★★★ 5
Hate the Price, but love the ink.
Style: Ink
I totally hate the price of printer ink, mostly when it dries out when not in constant use, but I purchased generic and my printer would not let me use it and i have avoided the firmware update. So back to buying epson ink. It worked the minute i loaded it into the printer. Epson ink is great. it was great color and quality. Just hate the price tag.
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Reviewed in the United States on January 29, 2026
★★★★★ 4
Pricey but they work
Style: Ink
Pricey but the remanufactured ones either don't work at all, or they work for a short time then go belly up...
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Run out of ink quickly
Style: Ink
When you have the Epson work Workforce Pro 3820 it only accepts Epson cartridges none of the cheaper ones Epson cartridges run out of ink really fast I actually had some of the non-epson brand cartridges in there they worked a couple of times but then one day they absolutely refuse to work so they're worthless and then I had to actually buy the Epson brand name
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Works Well
Style: Ink
Perfect replacement. Good quality, acceptable value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
