Omnipure - OCB934RO - 9.75" x 3" (GAC) Granular Activated Carbon Filter Cartridge Carbon Type:Coconut Shell Acid Washed GAC T28 typically every 6 months in

typically every 6 months in residential applications or sooner in heavy sediment conditions

Particulates (Class 1) Cap Type Universal (fits all permanent heads)

and light commercial water treatment setups requiring precise chemical injection

This housing does not include a check valve

All-phosphate formula is time-tested for scale control

Omnipure - OCB934RO - 9.75" x 3" (GAC) Granular Activated Carbon Filter Cartridge Carbon Type:Coconut Shell Acid Washed GAC T28 typically every 6 months inOmnipure OCB Series OCB934RO Granular Activated Carbon Filter Cartridge High volume GAC filtration for chlorine, taste, and odor removal in standard 10" housings NSF Certified 9. 75" 3" GAC Media 6 12 Month Lifespan The Omnipure OCB934RO uses loose granular activated carbon to reduce chlorine, taste, and odor in residential and light commercial water systems. The compressed GAC media delivers high volume filtration while maintaining low pressure drop