😁【Cost-effective Air Filters】AIRROMI A2001 Blue Smoke HEPA Air Filters are carefully selected from superior, environmentally friendly, and healthy materials, featuring the latest filtration system in 2023: a 40 ppi pre-filter, HEPA filter, and activated carbon filter. This combination effectively captures 99.97% of particles as small as 0.3 microns, including pet dander, pollen, smoke, odors, dust, and hairs. Specifically designed for, smokers, and those affected by wildfires, this filter ensures a cleaner environment for everyone. Enjoy the cleanest air at the most affordable cost. 🎄【Widely Used】: AIRROMI 4-in-1 filters are specifically designed to meet the diverse purification needs of households, offering exceptional performance in adsorbing vehicle emissions, smog, and various contaminants from the air. Notably, our filters are tailored to address the unique challenges faced by pet owners, smokers, and those impacted by wildfires. Following usage, you'll experience a noticeable improvement in air quality, reduced nasal sensitivity, and enhanced respiratory comfort. for households with pets, smokers, individuals suffering from pollen allergies, as well as families with children and babies. 🌺【Ensure the Safety of Use】:Our air filters are provided to customers after several rigorous tests, after using it for a while, I'm sure you'll be amazed at how good the quality is. However, note that the AIRROMI A2001 Air purifier can only be matched with the A2001 hepa filter, cause we use the best and most effective materials, so please use the original filter, if you use other mismatched air filters, it may damage the purifier. 🧭【One Minute Replacement】: We designed a button on the screen to remind you to replace the air filter in time. Generally, the replacement HEPA filter should be replaced every 3-6 months depending on the environment and usage frequency. So, when the reminder flashes an orange light, at this time you need to hold down the button for 3-5s to stop flashing, then you need to replace the filters as soon as possible, or it might damage the purifier. Note: when replacing the new filter, you also need to tear the protective plastic bag. 🌟【Protect Your Health】:Your health should always be the priority as it will make your day to day life more easy and enjoyable, nothing beats waking up in the morning to breathing clean and comfortable air. Using a 360-degree air intake filter, we'll make it easier to help you clean the air. And we recommend used 24 hours a day. The AIRROMI air purifier boasts a 4-stage filtration system: a pre-filter that captures hair and large particles, a HEPA filter with 145 folds of meltblown cloth and non-woven fabric, and an activated carbon mesh that eliminates pet odors and harmful gases, ensuring cleaner and fresher air for your space.