Pentek - 10" x 4.5" Big Blue Empty Refillable Cartridge Carbon Filters expect 12-18 months of service

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

This filter is particularly effective in pre-RO configurations to protect membranes while addressing lead

PureT brand housing

Stable Power Delivery

Pentek - 10" x 4.5" Big Blue Empty Refillable Cartridge Carbon Filters expect 12-18 months of servicePentek 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,