7042798 Sub-Zero Air Purification Cartridge Replacement 3 Pack

This 3-pack of Sub-Zero 7042798 air purification cartridges gives you a convenient multi-year supply for your refrigerator’s Pure Air system. Each cartridge helps reduce ethylene gas and food odours, supporting fresher produce and a cleaner refrigerator environment.

Specifications

• Current Part Number: 7042798
• Previous Part Number: 7007067 (direct replacement)
• Pack Quantity: 3 Cartridges
• Service Life: Approximately 12 months per cartridge
• Function: Air purification (ethylene gas and odor reduction)
• Installation Type: Snap-in, no tools required

Benefits of Regular Replacement

• Helps slow produce spoilage by reducing ethylene gas
• Minimizes transfer of strong food odours between items
• Supports the overall freshness performance of your Sub-Zero
• Maintains the intended function of the NASA-inspired air purification system

Compatibility Overview

The 7042798 is the correct cartridge for Sub-Zero models equipped with the air purification system, including many Classic (BI), Designer (IT/IC/ID-RP), and PRO (PRO3650/PRO4850) refrigerators.

If your current cartridge or manual shows part number 7007067, the 7042798 is the updated and correct replacement.

Why the 3-Pack Makes Sense

Most Sub-Zero owners replace the air purification cartridge once a year. Buying three at once means you have a ready replacement for the next three service cycles without needing to reorder every 12 months.

Installation & Reset

Replacement is straightforward:

• Locate the air filter housing inside the fresh-food section
• Remove the used cartridge
• Insert the new 7042798
• Reset the filter life indicator according to your model’s instructions (usually by holding the Pure Air button)