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QuietClean Oscillating Tower Replacement Filters
The QuietClean Oscillating Tower Air Purifiers require the following filters:
- 1 Washable Pre-Filter
- 2 Permanent, Washable ifD® Particle Filters
Optionally, you can remove the washable pre-filter, and use the following Odor & VOC Reducing pre-filter:
- 1 K Pre-Filter
Filter replacement guidelines:
- Washable ifD® Filters and Pre-Filters are recommended to be washed every 3 months.
- If using, the Optional K Pre-Filter is recommended to be changed every 3 months.
See below for compatible filters to the QuietClean Oscillating Tower Air Purifiers.
QuietClean Oscillating Tower for Medium/Large Rooms (HFD140BWM)
Required Filters:
1 Washable Pre-Filter
2 Permanent, Washable ifD® Filters
Optional:
1 K pre-filter


Permanent, washable filters are included and do not need to be replaced. Optional Gas and Odor-reducing K pre-filters can be purchased and used in place of the included washable pre-filter.
QuietClean Oscillating Tower for Medium Rooms (HFD-120-Q)
Permanent, washable filters are included and do not need to be replaced. Optional Gas and Odor-reducing K pre-filters can be purchased and used in place of the included washable pre-filter.
QuietClean Oscillating Tower for Medium Rooms (HFD230B)
Permanent, washable filters are included and do not need to be replaced. Optional Gas and Odor-reducing K pre-filters can be purchased and used in place of the included washable pre-filter.