Sub Zero 4204490 Water Filter & 7042798 Air Cartridge Combo Pack

Premium Sub-Zero water and air filtration for cleaner taste, fresher, longer-lasting food.

Key Benefits

• Cleaner tasting water
• Odor-free storage
• Genuine OEM parts
• Quick, easy install

Why you'll love it

Certified contaminant reduction
NSF/ANSI 42 and 53 certified water filtration reduces chlorine, taste, odor, and harmful contaminants so every sip is clean and crisp.

Food stays fresher longer
Advanced, NASA-developed air purification helps remove odors and reduce bacteria in the fridge environment to preserve freshness and flavor.

Protects your investment
Factory-certified components support long-term performance of your Sub-Zero appliance and help maintain optimal operation with dependable results.

Wide model compatibility
Engineered for Sub-Zero Built-In, PRO48, and Integrated models for a seamless fit. Always verify your model number before purchase.

Everyday freshness, every glass

Every time you open the refrigerator, the air is crisp and neutral, and every pour tastes clean and refreshing. This factory-certified combo quietly protects your groceries and ice from odors and contaminants, delivering reliable Sub-Zero performance with simple upkeep you’ll handle in minutes twice a year.

Technical specifications

Water filter model: Sub-Zero 4204490

Air purification cartridge model: Sub-Zero 7042798

Technology: Advanced NASA-developed filtration

Certifications: NSF/ANSI 42, 53

Water filter material: Carbon and fiberglass

Water filter dimensions: 20 x 4 x 4 inches

Water filter weight: 1 lb

Air cartridge weight: 0.4 lbs

Compatibility: Sub-Zero Built-In, PRO48, Integrated models

Recommended replacement: Every 6–12 months

Package includes: 4204490 Water Filter; 7042798 Air Purification Cartridge

FAQ - Frequently Asked Questions

How often should I replace these filters?

Replace both the water and air filters every 6–12 months for optimal performance.

Is this an original Sub-Zero product?

Yes. This combo pack includes genuine, OEM-certified components for guaranteed compatibility and quality.

Will this fit my refrigerator?

It fits most Sub-Zero Built-In, PRO48, and Integrated models. Always confirm your model number before purchasing.

What contaminants does the water filter reduce?

It reduces chlorine, taste, and odor, along with other harmful contaminants to improve overall water quality.