Designed specifically for the ResMed AirSense 11, these hypoallergenic filters help you get the most out of your sleep apnea therapy—without triggering allergy symptoms. Whether you're sensitive to dust, pollen, or polyester, these filters provide a cleaner, more breathable environment night after night. Each filter is designed for single use and should be replaced every six months or sooner if signs of wear or blockages appear. No washing or maintenance required.