Replacement Air Inlet Filters for Pulmo-Aide Compressor Nebulizer. Air Inlet Filters compatible with versions 3650D, 3655D, 4650D and 5650D.
5 Filters/Pack. Compressor sold separately.
Filter quality should be periodically checked for discolouration signifying a need to replace. This filter is hard to the touch and last between 3 to 6 months.