View 2 of **SEE NOTES** iSpring FC25B Whole House Water Filter Replacement Cartridge, CTO Carbon Block, 20” x 4.5”

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View 1 of **SEE NOTES** iSpring FC25B Whole House Water Filter Replacement Cartridge, CTO Carbon Block, 20” x 4.5”View 2 of **SEE NOTES** iSpring FC25B Whole House Water Filter Replacement Cartridge, CTO Carbon Block, 20” x 4.5”