Omron Replacement Felt Filters are high-quality filters for clean air flow. These filters are for use with Omron CompAir XL Compressor Nebulizer (NE-C18) and Omron CompAir XLT Compressor Nebulizer (NE-C25) Compressor Nebulizer Systems.Other products from H e a l t h P r o d u c t s F o r Y o u