In approximately 1 year (depending on the usage) the PERMAFILT Pre-Filter in your unit will need to be replaced. Once installed,
this Pre-Filter can be easily maintained by occasional vacuuming from outside
the perforated steel housing of the Austin Air unit. This procedure keeps the
Permafilt Pre-Filter clean and increases the life expectancy of the filter,
eliminating costly quarterly filter changes.
In order to properly maintain the effectiveness of the filters, all you have to do is periodically
vacuum the outside of the machine, clearing away the larger and most visible dust.
**The price is for pack of four
* Plus
CAD $25.00 brokerage
fee for shipping in Canada.
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