The Series 1111 Pre-Filter serves as the first line of filtration in the patented HealthyAir® 3-stage air purification process.
This filter should ideally be replaced every 3-4 months, depending on the nature and frequency of use.
The HA-PF-1111 is one of three replacement filters for the following systems:
- HealthyAir® Source Capture Air Purification System: HA-SCP-G2 (HA-NS-2330)
- HealthyAir® Portable Air Purification System: HA-PAP-G1