Pentek - 10" x 4.5" Big Blue Empty Refillable Cartridge Carbon Filters no special tools required

no special tools required

5-inch diameter cavities

Clean housing sump with mild soap and water

expect 12-18 months of service depending on iron and sulfide concentrations

Its non-air gap configuration with integrated aerator provides clean flow control without the need for a drain line connection

Pentek - 10" x 4.5" Big Blue Empty Refillable Cartridge Carbon Filters no special tools requiredPentek Specialty Filtration 10" x 4. 5" Big Blue Empty Refillable Cartridge Custom filtration media housing for DIY water treatment applications Refillable Design Big Blue Compatible Custom Media Blends Pentek Quality The Pentek 10" x 4. 5" Big Blue empty refillable cartridge lets you design your own filtration solution by filling it with your choice of media. Whether you need custom carbon blends, specialized resins, or mixed media configurations,