The Drive DeVilbiss Healthcare Medical Nebulizer Replacement Filter is an essential component for maintaining the optimal performance of your nebulizer. Designed specifically for the 18070 and 18080 Character Nebulizers, this filter effectively removes impurities from inhaled air, ensuring a pure and effective nebulization experience. Made from premium-quality white foam material, the filter enhances comfort by eliminating irritation and coughing, and improves drug delivery by ensuring efficient medication distribution to the lungs. The filter is easy to install and replace, and its regular replacement helps extend the nebulizer's lifespan, prevent cross-contamination, and maintain hygiene. Compatible with Drive DeVilbiss Healthcare Medical Nebulizer Models 18070 and 18080, the filter should be replaced every 3-6 months or as directed by healthcare professionals.