Sub-Zero 7042798 Air Purification Cartridge | Refrigerator Air Filter 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 refrigerator smelling fresh with the Sub-Zero 7042798 Air Purification Cartridge. This genuine-fit replacement air filter minimizes food odors and keeps your refrigerator's air clean, helping you maintain a fresher, more pleasant food storage environment inside compatible Sub-Zero refrigerators.
Key Features
- Reduces unwanted food odors inside the refrigerator
- Supports fresher air circulation and cleaner air
- Designed specifically for Sub-Zero refrigerator systems
- Easy, tool-free installation
- Helps maintain overall refrigerator freshness
- Reliable performance for everyday use
Specifications
- Model Number: 7042798
- Product Type: Refrigerator Air Purification Cartridge
- Filter Type: Air Filter
- Function: Odor reduction and air purification
- Package Includes: 1 x Air Purification Cartridge
Compatibility
Compatible with Sub-Zero refrigerators that use the Sub-Zero 7042798 refrigerator air purification cartridge.
Installation & Usage
- Remove the old air purification cartridge
- Insert the new cartridge securely into place
- No tools required
- Replace periodically for best performance
Why Choose This Sub-Zero Air Cartridge
The Sub-Zero 7042798 air purification cartridge works quietly behind the scenes to decrease food odors, keeping your fridge smelling clean and your ingredients tasting their best. Replacing it regularly helps protect your appliance and keeps your stored food fresher for longer.
Looking to refresh both your water and air at once? Pair it with the Sub-Zero 4204490 water filter & 7042798 air cartridge combo pack, or browse all our Sub-Zero refrigerator water filters.
Frequently Asked Questions
What does the Sub-Zero 7042798 air cartridge do?
It purifies the air inside your refrigerator, reducing food odors and helping keep your stored food fresher for longer.
How often should I replace it?
For the best results, replace the air purification cartridge about every 6 months, or sooner if you notice lingering odors.
Is it easy to install?
Yes. The cartridge installs in just a minute with no tools required.
Related products & collections: Explore more refrigerator air filters, browse all Sub-Zero refrigerator water filters, or check out the Sub-Zero 7007067 air purification cartridge for other compatible models.
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.