Respro Cinqro Mask California Wildfire Mask There are two types of filter in each Cinqro box. Filter 1. - Hepa-Type sports filter for dusty off-road conditions-Filter 2. - Dynamic Activated Charcoal Cloth filter (DACC ) combined with a Hepa-Type filter layer for urban environments The latest Powa Elite valves for better airflow Nylon unbreakable nose clip Three sizes M, L and XL