I dropped my filter in the dirt, is it still okay to use? AVA Support March 28, 2019 21:56 Updated We do not recommend using a filter that has been dropped or has become dirty. Related articles I ran out of filters, where can I order more? I lost my Nose Buds, how do I get replacements? Can I wash/clean my filter? How many filters will I typically need in one month? I lost my pouch, how do I get a replacement? Comments 0 comments Please sign in to leave a comment.