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Replacement Filters & Accessories

Replacement True HEPA Filter (for medium air purifiers)-Homedics
Replacement True HEPA Filter (AP25AU, AT100, AR100, AR20, AF20)
$39.95
Replacement True HEPA Filter (for small air purifiers)-Homedics
Replacement True HEPA Filter (AP15AU, AT75, AR75, AR10)
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TotalClean True HEPA Air Purifier Replacement Filter for PetPlus, AT29AU and AR29AU-Homedics
TotalClean True HEPA Air Purifier Replacement Filter for PetPlus, AT29AU and AR29AU
$39.95
TotalClean Replacement 360 Degree True HEPA Filter LARGE AP-T40WT-AU-Homedics
TotalClean Replacement 360 Degree True HEPA Filter for the LARGE AP-T40WT-AU Large Tower Air Purifier
$59.95
Replacement Nano Coil Filter-Homedics
Replacement Nano Coil Filter
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Ultrasonic Humidifier Replacement Demineralization Cartridges (4-Pack)-Homedics
Ultrasonic Humidifier Replacement Demineralization Cartridges (4-Pack)
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Replacement wicks for Personal Ultrasonic Humidifier UHECM15AU-Homedics
Replacement wicks for Personal Ultrasonic Humidifier UHECM15AU
$5.00
MYCHILL™ Plus Replacement Cooling Cartridge-Homedics
MYCHILL™ Plus Replacement Cooling Cartridge
$24.95
MYCHILL™ Replacement Cooling Cartridge-Homedics
MYCHILL™ Replacement Cooling Cartridge
$24.95
Black Remote for AR29WAU-Homedics
Black Remote for AR29WAU
$19.95
Replacement oil pads ARM-PAD3-Homedics
Replacement oil pads PP-ARMPAD3
$9.95
TotalClean® Desktop Replacement Hepa-Type Filter-Homedics
TotalClean® Desktop Replacement Hepa-Type Filter
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TotalComfort Humidifier-Homedics
TotalComfort Humidifier
$99.95
Total Clean 4 in 1 Air Purifier
$99.95
Replacement Filter for Total Clean 4 in 1 Air Purifier
$30.00
SereneScent Bergamot & Lavender
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SereneScent Lavender & Eucalyptus
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If you have a humidifier or air purifier, there’s no way around it: at some point you’re going to need to replace the air filter. Choose the replacement HEPA filter from HoMedics® that’s right for your machine. We make cleaning a humidifier easy, thanks to Clean Tank Technology that inhibits mould and mildew growth. Misplace a cap? We’ve got you covered with replacement caps, tanks, and even remote controls. Make sure you’re keeping track of when to replace your home air filter to ensure you’re getting the best usage. Air purifier and humidifier filters are available at your convenience — and, if you’re using hard water in your humidifier, don’t forget the demineralisation cartridge to help prevent white film.

When is it Time for Air Purifier Filter Replacement?

If you want the best quality air for yourself and your family, you must get an air purifier. However, keep in mind that like any other household appliance, it needs maintenance. Over time, its filters will get dirty as it catches pollutants from the air and it will need an air purifier filter replacement. Since air purifiers run constantly, they need regular filter replacement. On average, air purifier filter replacement should be done once in three months. The good thing is that these filters aren’t expensive and you can easily replace them at regular intervals.

FAQs

Choose a replacement filter based on your purifier’s brand, model number, filter type, and specifications. Always check the product manual or the manufacturer’s compatibility information before purchasing to ensure the replacement filter fits correctly and delivers the expected filtration performance.

Filter replacement frequency depends on the filter type, purifier model, water quality, and daily usage. Many filters require replacement every few months to a year, while some longer-life filters can last longer. Follow the replacement interval recommended for your specific purifier and replace the filter sooner if water flow, taste, or filtration performance changes.

Common signs include reduced water flow, changes in taste or odour, slower purification, filter-life alerts, or visible filter wear. If your purifier has a filter-change indicator, replace the filter when the indicator recommends it.

Many replacement filters are designed for easy installation without professional assistance. However, the process varies by purifier and filter type. Follow the manufacturer’s installation instructions carefully, and use professional service when the filter or purifier requires technical installation.

Depending on the purifier, replacement filters may include sediment or PP filters, activated carbon filters, pre-filters, RO membranes, UF filters, post-carbon filters, mineral filters, and other model-specific cartridges. The correct combination depends on the purifier’s filtration system.

For the best fit and predictable performance, genuine or manufacturer-approved replacement filters are generally the safest choice. Third-party filters may not have the same specifications, compatibility, filtration performance, or certification as the original filter.

First, switch off the purifier and close the water supply if required. Remove the used filter according to the purifier’s instructions, install the compatible replacement filter securely, and check all connections for leaks. Flush the new filter as recommended before drinking the filtered water.

Some replacement filters require flushing or rinsing before their first use. This can remove trapped air or loose filtration media from the cartridge. Always follow the instructions supplied with the specific filter because flushing requirements differ between filter types.

Replacement filters and accessories can typically be purchased through the manufacturer’s official website, authorised dealers, service centres, or approved retailers. Check the exact model and filter specification before ordering to avoid purchasing an incompatible replacement.