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- Air Purification Cartridge
Filters and Cleaning
Air Purification Cartridge

Many fresh foods emit ethylene gas, a naturally-occurring compound that hastens food ripening and spoilage. Sub-Zero refrigerators come with an air purification system (based on technology developed by NASA) that scrubs the air of ethylene and odor every 20 minutes. The cartridge is designed to last up to one year!
Features
- Compatible with All Models
- Revolutionary Filtration
- Freshness That Lasts
- Simple to Maintain
-
SEE ALL COMPATIBLE MODELS
All compatible models
- Legacy Model - 30" Classic Over-and-Under Refrigerator/Freezer with Glass Door - Panel Ready
- Legacy Model - 30" Classic Over-and-Under Refrigerator/Freezer with Glass Door
- Legacy Model - 30" Classic Over-and-Under Refrigerator/Freezer - Panel Ready
- Legacy Model - 30" Classic Over-and-Under Refrigerator/Freezer
- Legacy Model - 36" Classic Refrigerator - Panel Ready
- Legacy Model - 36" Classic Refrigerator
- Legacy Model - 36" Classic Refrigerator with Glass Door
- Legacy Model - 36" Classic Refrigerator with Glass Door - Panel Ready
- Legacy Model - 36" Classic Side-by-Side Refrigerator/Freezer - Panel Ready
- Legacy Model - 36" Classic Side-by-Side Refrigerator/Freezer
- Legacy Model - 36" Classic Over-and-Under Refrigerator/Freezer - Panel Ready
- Legacy Model - 36" Classic Over-and-Under Refrigerator/Freezer
- Legacy Model - 36" Classic Over-and-Under Refrigerator/Freezer with Glass Door
- Legacy Model - 36" Classic French Door Refrigerator/Freezer - Panel Ready
- Legacy Model - 36" Classic French Door Refrigerator/Freezer
- Legacy Model - 36" Classic French Door Refrigerator/Freezer with Internal Dispenser - Panel Ready
- Legacy Model - 36" Classic French Door Refrigerator/Freezer with Internal Dispenser
- Legacy Model - 36" Classic Over-and-Under Refrigerator/Freezer with Glass Door - Panel Ready
- Legacy Model - 36" Classic Over-and-Under Refrigerator/Freezer with Internal Dispenser - Panel Ready
- Legacy Model - 36" Classic Over-and-Under Refrigerator/Freezer with Internal Dispenser
- Legacy Model - 42" Classic Side-by-Side Refrigerator/Freezer - Panel Ready
- Legacy Model - 42" Classic Side-by-Side Refrigerator/Freezer
- Legacy Model - 42" Classic Side-by-Side Refrigerator/Freezer with Dispenser - Panel Ready
- Legacy Model - 42" Classic Side-by-Side Refrigerator/Freezer with Dispenser
- Legacy Model - 42" Classic Side-by-Side Refrigerator/Freezer with Internal Dispenser - Panel Ready
- Legacy Model - 42" Classic Side-by-Side Refrigerator/Freezer with Internal Dispenser
- Legacy Model - 42" Classic French Door Refrigerator/Freezer - Panel Ready
- Legacy Model - 42" Classic French Door Refrigerator/Freezer
- Legacy Model - 42" Classic French Door Refrigerator/Freezer with Internal Dispenser - Panel Ready
- Legacy Model - 42" Classic French Door Refrigerator/Freezer with Internal Dispenser
- Legacy Model - 48" Classic Side-by-Side Refrigerator/Freezer - Panel Ready
- Legacy Model - 48" Classic Side-by-Side Refrigerator/Freezer
- Legacy Model - 48" Classic Side-by-Side Refrigerator/Freezer with Dispenser - Panel Ready
- Legacy Model - 48" Classic Side-by-Side Refrigerator/Freezer with Dispenser
- Legacy Model - 48" Classic Side-by-Side Refrigerator/Freezer with Internal Dispenser - Panel Ready
- Legacy Model - 48" Classic Side-by-Side Refrigerator/Freezer with Internal Dispenser
- Legacy Model - 24" Designer Column Refrigerator - Panel Ready
- Legacy Model - 30" Designer Column Refrigerator - Panel Ready
- Legacy Model - 30" Designer Column Refrigerator with Internal Dispenser - Panel Ready
- Legacy Model - 36" Designer Column Refrigerator - Panel Ready
- Legacy Model - 36" Designer Column Refrigerator with Internal Dispenser - Panel Ready
- Legacy Model - 30" Designer Over-and-Under Refrigerator/Freezer - Panel Ready
- Legacy Model - 30" Designer Over-and-Under Refrigerator/Freezer with Ice Maker and Internal Dispenser - Panel Ready
- Legacy Model - 30" Designer Over-and-Under Refrigerator - Panel Ready
- Legacy Model - 30" Designer Over-and-Under Refrigerator with Internal Dispenser - Panel Ready
- Legacy Model - 36" Designer Over-and-Under Refrigerator/Freezer with Ice Maker - Panel Ready
- Legacy Model - 36" Designer Over-and-Under Refrigerator/Freezer with Internal Dispenser and Ice Maker - Panel Ready
- Legacy Model - 36" Designer Over-and-Under Refrigerator - Panel Ready
- Legacy Model - 36" Designer Over-and-Under Refrigerator Internal Dispenser - Panel Ready
- 36" PRO Refrigerator/Freezer
- 36" PRO Refrigerator/Freezer with Glass Door
- 48" PRO Refrigerator/Freezer
- 48" PRO Refrigerator/Freezer with Glass Door