The OmniFilter CB6 is a 5-micron carbon block whole house filter designed to reduce chlorine taste and odor, sediment, and fine particulates from your incoming water supply. It has a rated capacity of approximately 20,000 gallons or 6 months of service life, whichever comes first. The 5-micron rating makes it effective for trapping dirt, rust, and scale particles while the activated carbon block improves water taste throughout your entire home.

The OmniFilter CB6 is specifically engineered to fit OmniFilter whole house "Series B" Heavy Duty housings, including the OB1, OB3, OB5, U25, U40, and U45 systems. The cartridge measures approximately 9-3/4" in length and 4-1/2" in diameter, making it a standard "Big Blue" size compatible filter. Always verify your existing housing model before ordering to ensure proper fitment and sealing.

OmniFilter recommends replacing the CB6 every 6 months or after 20,000 gallons of use, whichever comes first. However, replacement frequency may need to be shorter in homes with higher sediment levels, heavy chlorine concentrations, or large households with increased water consumption. Signs it's time to change your CB6 include reduced water pressure throughout the house, a return of chlorine taste or odor, or visible discoloration of the cartridge.

The CB6 uses a dense activated carbon block combined with sediment filtration to reduce chlorine taste and odor, sediment, dirt, rust, sand, and scale particles down to 5 microns. As a point-of-entry whole house filter, it treats water for every tap, shower, and appliance in your home, helping protect plumbing fixtures and extending the life of water-using appliances. Note that the CB6 is not certified for lead, cyst, or heavy metal removal.

The OmniFilter CB6 supports a service flow rate suitable for residential whole house applications when used in its compatible heavy-duty housings. When installed in an OmniFilter Series B housing, it typically handles the demand of an average household without noticeable pressure loss. If you experience a significant drop in water pressure, it usually indicates the cartridge has reached the end of its service life and needs to be replaced to restore proper flow.