CTO Carbon Block Filter Cartridge for Whole House System, Size - 20" x 4.5" whole-house-system-BB Compatible with most standard 10"

Compatible with most standard 10" housings for whole-house water filtration systems

With a low-cost

but for moderate to severe hard water

Crafted with 100% coconut shell carbon filter media

and aquarium RODI systems

CTO Carbon Block Filter Cartridge for Whole House System, Size - 20" x 4.5" whole-house-system-BB Compatible with most standard 10"Introducing the 20 inch x 4. 5 inch big blue 5 Micron CTO Carbon Block Filter, designed to fit most 20" Big Blue housings with dimensions of 4. 5" x 19. 78". Boasting a 5 Micron nominal filter rating, this filter is highly effective in removing chlorine taste, odors, and sediment from your drinking water. With a filter life of 26,000 gallons at 7GPM, it ensures long lasting performance. Operating in temperatures ranging from 40F to 125F and with an