Omnipure - OMB934-1M-P - 9.75" x 2.75" Carbon Block Filter Cartridge - 1 Micron with Phosphate Choose:One Pack 🔧 Always install the safety

🔧 Always install the safety brine valve with the float mechanism facing upward and unobstructed to ensure proper shutoff function

The Omnipure OCB934RO uses loose granular activated carbon to reduce chlorine

In high-volume commercial settings

Replacement intervals for pre-treatment stages

Visual color indicator shows filter life—replace when darkened to yellow or brown

Omnipure - OMB934-1M-P - 9.75" x 2.75" Carbon Block Filter Cartridge - 1 Micron with Phosphate Choose:One Pack 🔧 Always install the safetyThe Omnipure OMB934 1M P is a 9. 75" x 2. 75" carbon block filter cartridge that combines 1 micron sediment filtration with polyphosphate scale inhibition in a single drop in replacement. Built entirely in Omnipure's facility using their proprietary block media, it fits standard 10" housings and removes chlorine, sediment, taste, and odor while protecting appliances from scale buildup. SPECIFICATIONS Filter Performance & Dimensions Micron Rating 1