Devilbiss Health Long Life Air Inlet Filter, Used with Devilbiss Pulmo Aide AC Compressor or Nebulizer (code 5650D) and Devilbiss PulmoMate Compressor or Nebulizer (code 4650D), the filter should be changed once
Pulmo-Aide Nebulizer Filters (25-Pack)
Shop Devilbiss Pulmo-Aide Replacement Air Inlet Filters