This genuine Sub-Zero replacement water filter cartridge, model 7042803, is designed for use with Sub-Zero water filtration systems to ensure clean, great-tasting drinking water and ice. Manufactured to the brand’s exacting standards, the filter helps reduce chlorine taste and odor while also removing particulate matter from household water supplies.

Certified to NSF/ANSI standards for chlorine reduction and particulate filtration, the cartridge operates with a flow rate of approximately 0.75 gallons per minute and has a capacity of up to 3,000 gallons. The filter utilizes a combined chemical and mechanical filtration process and is recommended to be replaced every six months to maintain optimal performance.

Sub-Zero appliances are widely regarded for their durability and premium engineering, and using authentic OEM replacement filters helps ensure the system continues operating as designed. This example includes the original packaging and installation instructions as shown in the photos.

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