Omnipure Q5633 (Package Of 4) Q-Series Omnipure Granular Carbon Filter GAC T33 2.5" x 12"

Quick change / twist-off design: The cartridge is designed to twist in and out of a permanent head (Q-Series head) without requiring tools. This makes replacement fast and clean. Reduces chlorine, taste, odor: The GAC media is effective at removing or reducing free chlorine and improving taste and odor of water. Versatile placement: Can be used upstream (prefilter) or downstream (postfilter) of RO or other filtration stages. Spare / bulk packaging: The “Package of 4” provides multiple cartridges for backup or for multiple systems. Interchangeability: The Q5633 is sometimes interchangeable with other Q-Series cartridges like Q5636, Q5628, Q5640 (in certain configurations) depending on head compatibility.