AllerAir AirMed 1 Supreme HEPA Medical Grade
If in doubt, please send us serial numbers of your units so we can ensure you are receiving the proper filters for your specific unit(s) especially since filters are not returnable.
Pre-Filter: Can be visually inspected: When both sides are of similar color should be changed, regular household usage would require Renewal 3-6 months You can vacuum every 2-3 months and replace every 6 months if need be.
Tar Trap Prefilter typically need to be changed more frequently. Renewal 2-3 months
UV lamp (if applicable) is recommended to change yearly. Renewal 12 months
HEPA Filter: Can be visually inspected: When both sides are of similar color = should be changed, regular household usage would require Renewal 2-3 years
Carbon Filter: Found inside the unit in a canister from a few inches away, smell the exhaust and if an unpleasant sour odor is emitted that is an indication for renewal, regular household usage would require. Renewal 2-3 years
PS: The above estimated time periods all variable and dependent upon your usage and the contaminants in a given area. The above can be used as a general guideline.
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