Sub-Zero 4204490 Water Filter & 7042798 Air Cartridge Combo Pack | Refrigerator Replacement
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Every filter ships ready to use with simple, twist-in installation — no tools required. Just remove the old product, insert your new filter, and enjoy cleaner, fresher-tasting water and ice in minutes.
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Keep your Sub-Zero refrigerator water clean and your fridge air fresh with the Sub-Zero 4204490 Water Filter & 7042798 Air Cartridge Combo Pack. This refrigerator replacement set pairs a genuine-fit water filter with an air purification cartridge to improve the taste of your water and ice while reducing odors inside your fridge, giving you a cleaner, more pleasant food storage experience.
Key Features
- Dual filtration system for clean water and effective odor control
- Reduces chlorine, bad taste, and unpleasant smells
- Helps keep your refrigerator air fresh and clean
- Designed specifically for Sub-Zero refrigerators
- Easy, tool-free installation
- Long-lasting performance for everyday use
Specifications
- Water Filter Model: 4204490
- Air Cartridge Model: 7042798
- Product Type: Refrigerator Water Filter & Air Cartridge Set
- Filtration Type: Water and Air Filtration
- Package Includes: 1 x Water Filter + 1 x Air Cartridge
Compatibility
Compatible with Sub-Zero refrigerators that use the following replacement parts:
- Sub-Zero 4204490 water filter
- Sub-Zero 7042798 air purification cartridge
Installation & Usage
- Remove the old water filter and air cartridge
- Insert the new filters securely into place
- No tools required
- Reset the filter indicator if applicable
- Replace periodically for best performance
Why Choose This Sub-Zero Combo Pack
The Sub-Zero 4204490 Water Filter & 7042798 Air Cartridge combo pack is the easiest way to keep your refrigerator feeling fresh and clean. The water filter improves the taste and quality of your drinking water and ice by reducing impurities, while the air cartridge works quietly to decrease food odors and keep your fridge smelling clean.
Together, they create a healthier storage environment and help your Sub-Zero run smoothly for longer. Browse all our Sub-Zero refrigerator water filters, or shop the Sub-Zero 7042798 air purification cartridge on its own.
Frequently Asked Questions
What does this Sub-Zero combo pack include?
It includes one Sub-Zero 4204490 water filter and one Sub-Zero 7042798 air purification cartridge, covering both water and air filtration in a single pack.
How often should I replace the filter and cartridge?
For the best taste and freshness, replace both about every 6 months, or sooner if you notice reduced flow or lingering odors.
Is installation difficult?
Not at all. Both parts install in minutes with no tools required.
Related products & collections: Browse all Sub-Zero refrigerator water filters, explore our refrigerator air filters, or view all refrigerator filter collections.
We offer free shipping within the United States.
Orders are processed within 1–2 business days and usually arrive within 3–5 business days.
Orders placed before 5:00 PM ET, Monday–Friday may begin processing the same business day.
Tracking details will be emailed after your order ships.
We accept eligible returns within 30 days of delivery.
Returns are handled by mail, and approved returns include a free prepaid return label that you can download and print.
Products must be unused, unopened, and in their original packaging. We do not offer direct exchanges.
Approved refunds are issued to the original payment method within 5–10 business days after inspection.