Pre-Filter – Compatible with CASCADE Air Purifier (Pack of 2)
Pre-Filter – Compatible with CASCADE Air Purifier (Pack of 2)
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Maintain proper airflow and help extend the life of your primary filters with this compatible pre-filter set manufactured by Gem Filtration for use with the CASCADE air purifier. Designed to capture larger airborne particles such as dust, hair, and lint, these pre-filters support the system’s multi-stage air treatment process by protecting downstream HEPA and carbon filters.
✔ Compatible with Surgically Clean Air CASCADE
✔ Captures larger particles before they reach HEPA and carbon stages
✔ Helps extend the lifespan of downstream filters
✔ Designed for proper fit and straightforward installation
✔ Sold as a pack of 2
Recommended replacement is typically every 3–6 months, depending on environment and usage. Ships fast from Canada.

Changing the first-stage filter was very simple with no issues getting it into position. A convenient replacement to keep on hand.
The pre-filter was easy to replace and helped make the maintenance process straightforward. Happy with the fit and simple installation. The dimensions matched the old filter well.
The replacement lined up correctly without needing any adjustments. Would purchase again for the next maintenance cycle.
The pre-filter was easy to replace and helped make the maintenance process straightforward. Happy with the fit and simple installation.
The replacement lined up correctly and helped make the maintenance process straightforward. Happy with the fit and simple installation. The maintenance process was uncomplicated.