The HM400 HEPA filter we provide includes 1 x HM400 HEPA filter replacement + 2 x Pre-filters, and the HM400 filter dimensions are 13.5 x 7.25 x 14.5 inches, which ensures perfect compatibility with the austin HM400, FR400, HM402, HM405, HM410, and HM450 air cleaner purifiers. [Perfect Compatibility]
Manufactured to OEM production standards, the HM400 HEPA air filter compatible with austin utilizes true HEPA material with an H13 filtration rating, enabling it to easily capture 99.97% of particles as small as 0.3 microns, thus helping your family enjoy a fresher indoor environment. [High Efficiency Filtration]
The HM400 replacement for austin air comes equipped with two pre-filters to enhance the filtration effect. The black carbon prefilter and the white prefilter work together to capture particles first, which will also extend the lifespan of the HM400 HEPA filter. [Higher Quality]
Our HM400 air filter is designed for easy installation and can be replaced in just a few minutes without the need for any tools, allowing you to enjoy fresh air with ease. For optimal filtration, we recommend replacing the filter every 1-3 years, depending on the specific usage. [Easy Installation]
We are committed to using high-quality raw materials to manufacture each HM400 air filter, and we meticulously check the quality of the HM400 air filter before it leaves the factory. Additionally, we provide 24-hour professional after-sales service, so if you have any questions, we will be happy to assist you. [Sincere Service]
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